SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                 --------------


                                    FORM 8-K

                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


                        Date of Report: November 29, 2001
                        ---------------------------------
                        (Date of earliest event reported)


                       CITICORP MORTGAGE SECURITIES, INC.
                             (Packager and Servicer)
   (Issuer in Respect of the REMIC Pass-Through Certificates, Series 2001-16)
   --------------------------------------------------------------------------
               (Exact name of registrant as specified in charter)


   Delaware                     333-72459                     13-3408713
 ----------------------------------------------------------------------------
  (State or other juris-       (Commission                 (I.R.S. Employer
 diction of organization)       File Nos.)                Identification No.)


12855 North Outer Forty Drive, St. Louis, Missouri            63141
--------------------------------------------------          ----------
   (Address of principal executive offices)                 (Zip Code)


Registrant's Telephone Number, including area code: (314) 851-6305

--------------------------------------------------------------------------
(Former name, former address and former fiscal year, if changed since last
report.)


<PAGE>


Item 2.   Acquisition or Disposition of Assets.


                       CITICORP MORTGAGE SECURITIES, INC.
                 REMIC Pass-Through Certificates, Series 2001-16
                 ----------------------------------------------

                               November 29, 2001

                    DETAILED DESCRIPTION OF THE MORTGAGE POOL
                    -----------------------------------------
                         AND THE MORTGAGED PROPERTIES(1)
                         -------------------------------

      On November 29, 2001, Citicorp Mortgage Securities, Inc. ("CMSI")
transferred to the Trustee Mortgage Loans evidenced by Mortgage Notes with an
aggregate Adjusted Balance outstanding (after deducting principal payments due
on or before November 1, 2001) as of November 1, 2001 of $300,305,672.35. The
Mortgage Loans that have original maturities of at least 20 but no more than 30
years, the "Group I Mortgage Loans", have an aggregate Adjusted Balance
outstanding (after deducting principal payments due on or before November 1,
2001) as of November 1, 2001 of $200,182,908.29 and the Mortgage Loans that have
original maturities of at least 10 but no more than 15 years, the "Group II
Mortgage Loans", have an aggregate Adjusted Balance outstanding (after deducting
principal payments due on or before November 1, 2001) as of November 1, 2001 of
$100,122,764.06. The Mortgage Loans were delivered in exchange for the
Certificates, authenticated by the Trustee, evidencing 100% of the regular
interests in the Trust. Distributions on the Certificates will be made by State
Street Bank and Trust Company, as paying agent, by wire transfer or by such
other means as the person entitled thereto and CMSI shall agree. CMSI may
repurchase all the Mortgage Loans remaining in the Mortgage Pool pursuant to the
Pooling Agreement if at the time of repurchase the aggregate Adjusted Balance of
such Mortgage Loans is less than $15,015,283.62. Information below is provided
with respect to the Group I Mortgage Loans, the Group II Mortgage Loans and/or
all Mortgage Loans included in the Mortgage Pool as indicated.

      The total number of all Mortgage Loans as of November 1, 2001 was 711,
consisting of 488 Group I Mortgage Loans and 223 Group II Mortgage Loans. The
weighted average interest rates on the Group I Mortgage Loans, the Group II
Mortgage Loans and all Mortgage Loans (in each case, before deduction of the
servicing fee) (the "Note Rates") as of November 1, 2001 were 7.226%, 6.878% and
7.110%, respectively. The weighted average remaining terms to stated maturity as
of November 1, 2001 of the Group I Mortgage Loans, the Group II Mortgage Loans
and all Mortgage Loans were 357.29 months, 176.98 months and 297.17 months,
respectively. All Mortgage Loans have original maturities of at least 10 but no
more than 30 years. None of the Group I Mortgage Loans or the Group II Mortgage
Loans were originated prior to January 1, 2001 and December 1, 2000,
respectively, or after November 1, 2001. The weighted average original terms to
stated maturity as of November 1, 2001 of the Group I Mortgage Loans, the Group
II Mortgage Loans and all Mortgage Loans were 358.92 months, 179.03 months and
298.95 months, respectively.

      None of the Group I Mortgage Loans or the Group II Mortgage Loans has a
scheduled maturity later than November 1, 2031 or November 1, 2016,
respectively. Each of the Group I Mortgage Loans and the Group II Mortgage Loans
had an original principal balance of not less than $67,500 and $187,400,
respectively, nor more than $1,000,000. Group I Mortgage Loans, Group II
Mortgage Loans and all Mortgage Loans having aggregate Adjusted Balances of
$20,364,313, $1,881,061 and $22,245,374, respectively, as of November 1, 2001
had loan-to-value ratios at origination in excess of 80%, but no Mortgage Loans
had loan-to-value ratios in excess of 95%. The weighted average loan-to-value
ratios at origination of the Group I Mortgage Loans, the Group II Mortgage Loans
and all Mortgage Loans, as of November 1, 2001 were 72.6%, 60.7% and 68.6%,
respectively. No more than $1,840,937, $2,005,429 or $2,647,206, respectively,
of the Group I Mortgage Loans, the Group II Mortgage Loans or all Mortgage Loans
were secured by Mortgaged Properties located in any one zip code. At least
98%(2), 96% and 97%, respectively, of the Group I Mortgage Loans, the Group II
Mortgage Loans and all Mortgage Loans were secured by Mortgaged Properties
determined by CitiMortgage, Inc. to be the primary residence of the borrower
("homeowner"). The sole basis for such determination is either (a) a
representation by the homeowner at origination of the Mortgage Loan that the

--------

1     Capitalized terms used herein and not otherwise defined have the meaning
      assigned thereto in the Prospectus dated November 27, 2001 (consisting of
      a Prospectus Supplement dated November 27, 2001 and a Core Prospectus
      dated October 23, 2001), relating to the REMIC Pass-Through
      Certificates, Series 2001-16.

2     Such Percentages are expressed as a percentage of the aggregate Adjusted
      Balance of the Mortgage Loans having such characteristics relative to the
      Adjusted Balance of all Mortgage Loans.


<PAGE>


underlying property will be used for a period of at least 6 months every year or
that he or she intends to use the underlying property as his or her primary
residence, or (b) that the address of the underlying property is the homeowner's
mailing address as reflected in Originator's records. None of the Group I
Mortgage Loans and no more than 1% of the Group II Mortgage Loans are secured by
investment properties.

      At least 99%, 95% and 97%, respectively, of the Group I Mortgage Loans,
the Group II Mortgage Loans and all Mortgage Loans, will be Mortgage Loans
originated using loan underwriting policies which require, among other things,
proof of income and liquid assets and telephone verification of employment, or
are refinanced Mortgage Loans originated using alternative or streamlined
underwriting policies. No more than 1%, 5% or 3%, respectively, of the Group I
Mortgage Loans, the Group II Mortgage Loans or all Mortgage Loans, will be
Mortgage Loans originated using a loan underwriting policy, which among other
things, requires verification of employment and may require proof of liquid
assets, but does not require verification of income as stated on the loan
application. No more than 48%, 78% or 58%, respectively, of the Group I
Mortgage Loans, the Group II Mortgage Loans or all Mortgage Loans will be
refinanced Mortgage Loans originated using alternative or streamlined
underwriting policies. See "Mortgage loan underwriting" in the Prospectus.

     All of the Mortgage Loans which had loan-to-value ratios greater than 80%
at origination had primary mortgage insurance as of such date. In the case of
the Group I Mortgage Loans and Group II Mortgage Loans for which additional
collateral was pledged, taken as a group:

      1.    the numbers of such Group I Mortgage Loans and Group II Mortgage
            Loans are 9 and 3, respectively;

      2.    such Group I Mortgage Loans and Group II Mortgage Loans have an
            aggregate Adjusted Balance of $2,447,586 and $1,135,150,
            respectively;

      3.    the weighted average loan-to-value ratios of such Group I Mortgage
            Loans and Group II Mortgage Loans, taking into account the loanable
            value (as defined in the Prospectus) of the additional pledged
            collateral, are 79.9% and 80.0%, respectively; and

      4.    the weighted average loan-to-value ratios of such Group I Mortgage
            Loans and Group II Mortgage Loans, without taking into account the
            loanable value of the additional pledged collateral, are 97.6% and
            100%, respectively.

      Group I Premium Mortgage Loans will consist of Group I Mortgage Loans with
Net Note Rates (NNRs) greater than or equal to 6.500%. All Group I Mortgage
Loans are Group I Premium Mortgage Loans. The aggregate Adjusted Balance
outstanding as of the Cut-off Date of the the Group I Premium Mortgage Loans was
$200,182,908. The weighted average Note Rate of the Group I Premium Mortgage
Loans, as of the Cut-off Date, was 7.226%. The weighted average remaining term
to stated maturity of the Group I Premium Mortgage Loans, as of the Cut-off
Date, was 357.29 months.

      Group II Discount Mortgage Loans will consist of Group II Mortgage Loans
with NNRs less than 6.250%. Group II Premium Mortgage Loans will consist of
Group II Mortgage Loans with NNRs greater than or equal to 6.250%. The aggregate
Adjusted Balances outstanding as of the Cut-off Date of the Group II Discount
Mortgage Loans and the Group II Premium Mortgage Loans were $3,649,898 and
$96,472,866, respectively. The weighted average Note Rates of the Group II
Discount Mortgage Loans and the Group II Premium Mortgage Loans, as of the
Cut-off Date, were 6.317% and 6.900%, respectively. The weighted average
remaining terms to stated maturity of the Group II Discount Mortgage Loans and
the Group II Premium Mortgage Loans, as of the Cut-off Date, were 177.95 months
and 176.95 months, respectively.


<PAGE>


      The Special Hazard Loss Amount as of November 1, 2001 was $3,003,057.00.

      The Fraud Loss Amount as of November 1, 2001 was $6,006,113.45.

      The Bankruptcy Loss Amount as of November 1, 2001 was $120,000.

      The aggregate Initial Principal Amount of the Class A Certificates as of
November 1, 2001 was $292,646,933.00.

      The aggregate Initial Principal Amount of the Class M Certificates as of
November 1, 2001 was $3,904,000.00.

      The aggregate Initial Principal Amount of the Class B-1 Certificates as of
November 1, 2001 was $1,502,000.00.

      The aggregate Initial Principal Amount of the Class B-2 Certificates as of
November 1, 2001 was $901,000.00.

      The aggregate Initial Principal Amount of the Class B-3 Certificates as of
November 1, 2001 was $450,000.00.

      The aggregate Initial Principal Amount of the Class B-4 Certificates as of
November 1, 2001 was $450,000.00.

      The aggregate Initial Principal Amount of the Class B-5 Certificates as of
November 1, 2001 was $451,739.35.

      The Subordinated Certificate Percentage is 2.550314581162%.*

      The Class M Subordination Percentage is 1.250305836922%.*

      The Class B-1 Subordination Percentage is 0.750148784194%.*

      The Class B-2 Subordination Percentage is 0.450121151366%.*

      The Class B-3 Subordination Percentage is 0.300273831974%.*

      The Class B-4 Subordination Percentage is 0.150426512582%.*


--------

*     Equal to the Initial Principal Amount thereof divided by the aggregate
      Adjusted Balance of the Mortgage Loans.


<PAGE>


                                   SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                            CITICORP MORTGAGE SECURITIES, INC.
                                            (Registrant)

                                            By: /s/ Howard Darmstadter
                                               -------------------------
                                                    Howard Darmstadter
                                                    Assistant Secretary


Dated: November 29, 2001
[{"type": "8-K", "sequence": "1", "filename": "detailed8k2001-16.txt", "description": "CMSI 2001-16 DETAILED DESCRIPTION", "secsgml_size_bytes": 13177}]
{"company-data": {"conformed-name": "CITICORP MORTGAGE SECURITIES INC", "cik": "0000811785", "assigned-sic": "6189", "irs-number": "133408713", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-16107", "film-number": "1802283"}, "business-address": {"street1": "12855 NORTH OUTER FORTY DR", "city": "ST LOUIS", "state": "MO", "zip": "63141", "phone": "3148516305"}, "mail-address": {"street1": "CITIGROUP INC CORPORATE LAW DEPT", "street2": "425 PARK AVENUE 2ND FLOOR", "city": "NEW YORK", "state": "NY", "zip": "10043"}}
SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 --------------

                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

                        Date of Report: November 29, 2001
                        ---------------------------------
                        (Date of earliest event reported)

                       CITICORP MORTGAGE SECURITIES, INC.
                             (Packager and Servicer)
   (Issuer in Respect of the REMIC Pass-Through Certificates, Series 2001-16)
   --------------------------------------------------------------------------
               (Exact name of registrant as specified in charter)

   Delaware                     333-72459                     13-3408713
 ----------------------------------------------------------------------------
  (State or other juris-       (Commission                 (I.R.S. Employer
 diction of organization)       File Nos.)                Identification No.)

12855 North Outer Forty Drive, St. Louis, Missouri            63141
--------------------------------------------------          ----------
   (Address of principal executive offices)                 (Zip Code)

Registrant's Telephone Number, including area code: (314) 851-6305

--------------------------------------------------------------------------
(Former name, former address and former fiscal year, if changed since last
report.)
Item 2.   Acquisition or Disposition of Assets.

                       CITICORP MORTGAGE SECURITIES, INC.
                 REMIC Pass-Through Certificates, Series 2001-16
                 ----------------------------------------------

                               November 29, 2001

                    DETAILED DESCRIPTION OF THE MORTGAGE POOL
                    -----------------------------------------
                         AND THE MORTGAGED PROPERTIES(1)
                         -------------------------------

      On November 29, 2001, Citicorp Mortgage Securities, Inc. ("CMSI")
transferred to the Trustee Mortgage Loans evidenced by Mortgage Notes with an
aggregate Adjusted Balance outstanding (after deducting principal payments due
on or before November 1, 2001) as of November 1, 2001 of $300,305,672.35. The
Mortgage Loans that have original maturities of at least 20 but no more than 30
years, the "Group I Mortgage Loans", have an aggregate Adjusted Balance
outstanding (after deducting principal payments due on or before November 1,
2001) as of November 1, 2001 of $200,182,908.29 and the Mortgage Loans that have
original maturities of at least 10 but no more than 15 years, the "Group II
Mortgage Loans", have an aggregate Adjusted Balance outstanding (after deducting
principal payments due on or before November 1, 2001) as of November 1, 2001 of
$100,122,764.06. The Mortgage Loans were delivered in exchange for the
Certificates, authenticated by the Trustee, evidencing 100% of the regular
interests in the Trust. Distributions on the Certificates will be made by State
Street Bank and Trust Company, as paying agent, by wire transfer or by such
other means as the person entitled thereto and CMSI shall agree. CMSI may
repurchase all the Mortgage Loans remaining in the Mortgage Pool pursuant to the
Pooling Agreement if at the time of repurchase the aggregate Adjusted Balance of
such Mortgage Loans is less than $15,015,283.62. Information below is provided
with respect to the Group I Mortgage Loans, the Group II Mortgage Loans and/or
all Mortgage Loans included in the Mortgage Pool as indicated.

      The total number of all Mortgage Loans as of November 1, 2001 was 711,
consisting of 488 Group I Mortgage Loans and 223 Group II Mortgage Loans. The
weighted average interest rates on the Group I Mortgage Loans, the Group II
Mortgage Loans and all Mortgage Loans (in each case, before deduction of the
servicing fee) (the "Note Rates") as of November 1, 2001 were 7.226%, 6.878% and
7.110%, respectively. The weighted average remaining terms to stated maturity as
of November 1, 2001 of the Group I Mortgage Loans, the Group II Mortgage Loans
and all Mortgage Loans were 357.29 months, 176.98 months and 297.17 months,
respectively. All Mortgage Loans have original maturities of at least 10 but no
more than 30 years. None of the Group I Mortgage Loans or the Group II Mortgage
Loans were originated prior to January 1, 2001 and December 1, 2000,
respectively, or after November 1, 2001. The weighted average original terms to
stated maturity as of November 1, 2001 of the Group I Mortgage Loans, the Group
II Mortgage Loans and all Mortgage Loans were 358.92 months, 179.03 months and
298.95 months, respectively.

      None of the Group I Mortgage Loans or the Group II Mortgage Loans has a
scheduled maturity later than November 1, 2031 or November 1, 2016,
respectively. Each of the Group I Mortgage Loans and the Group II Mortgage Loans
had an original principal balance of not less than $67,500 and $187,400,
respectively, nor more than $1,000,000. Group I Mortgage Loans, Group II
Mortgage Loans and all Mortgage Loans having aggregate Adjusted Balances of
$20,364,313, $1,881,061 and $22,245,374, respectively, as of November 1, 2001
had loan-to-value ratios at origination in excess of 80%, but no Mortgage Loans
had loan-to-value ratios in excess of 95%. The weighted average loan-to-value
ratios at origination of the Group I Mortgage Loans, the Group II Mortgage Loans
and all Mortgage Loans, as of November 1, 2001 were 72.6%, 60.7% and 68.6%,
respectively. No more than $1,840,937, $2,005,429 or $2,647,206, respectively,
of the Group I Mortgage Loans, the Group II Mortgage Loans or all Mortgage Loans
were secured by Mortgaged Properties located in any one zip code. At least
98%(2), 96% and 97%, respectively, of the Group I Mortgage Loans, the Group II
Mortgage Loans and all Mortgage Loans were secured by Mortgaged Properties
determined by CitiMortgage, Inc. to be the primary residence of the borrower
("homeowner"). The sole basis for such determination is either (a) a
representation by the homeowner at origination of the Mortgage Loan that the

--------

1     Capitalized terms used herein and not otherwise defined have the meaning
      assigned thereto in the Prospectus dated November 27, 2001 (consisting of
      a Prospectus Supplement dated November 27, 2001 and a Core Prospectus
      dated October 23, 2001), relating to the REMIC Pass-Through
      Certificates, Series 2001-16.

2     Such Percentages are expressed as a percentage of the aggregate Adjusted
      Balance of the Mortgage Loans having such characteristics relative to the
      Adjusted Balance of all Mortgage Loans.
underlying property will be used for a period of at least 6 months every year or
that he or she intends to use the underlying property as his or her primary
residence, or (b) that the address of the underlying property is the homeowner's
mailing address as reflected in Originator's records. None of the Group I
Mortgage Loans and no more than 1% of the Group II Mortgage Loans are secured by
investment properties.

      At least 99%, 95% and 97%, respectively, of the Group I Mortgage Loans,
the Group II Mortgage Loans and all Mortgage Loans, will be Mortgage Loans
originated using loan underwriting policies which require, among other things,
proof of income and liquid assets and telephone verification of employment, or
are refinanced Mortgage Loans originated using alternative or streamlined
underwriting policies. No more than 1%, 5% or 3%, respectively, of the Group I
Mortgage Loans, the Group II Mortgage Loans or all Mortgage Loans, will be
Mortgage Loans originated using a loan underwriting policy, which among other
things, requires verification of employment and may require proof of liquid
assets, but does not require verification of income as stated on the loan
application. No more than 48%, 78% or 58%, respectively, of the Group I
Mortgage Loans, the Group II Mortgage Loans or all Mortgage Loans will be
refinanced Mortgage Loans originated using alternative or streamlined
underwriting policies. See "Mortgage loan underwriting" in the Prospectus.

     All of the Mortgage Loans which had loan-to-value ratios greater than 80%
at origination had primary mortgage insurance as of such date. In the case of
the Group I Mortgage Loans and Group II Mortgage Loans for which additional
collateral was pledged, taken as a group:

      1.    the numbers of such Group I Mortgage Loans and Group II Mortgage
            Loans are 9 and 3, respectively;

      2.    such Group I Mortgage Loans and Group II Mortgage Loans have an
            aggregate Adjusted Balance of $2,447,586 and $1,135,150,
            respectively;

      3.    the weighted average loan-to-value ratios of such Group I Mortgage
            Loans and Group II Mortgage Loans, taking into account the loanable
            value (as defined in the Prospectus) of the additional pledged
            collateral, are 79.9% and 80.0%, respectively; and

      4.    the weighted average loan-to-value ratios of such Group I Mortgage
            Loans and Group II Mortgage Loans, without taking into account the
            loanable value of the additional pledged collateral, are 97.6% and
            100%, respectively.

      Group I Premium Mortgage Loans will consist of Group I Mortgage Loans with
Net Note Rates (NNRs) greater than or equal to 6.500%. All Group I Mortgage
Loans are Group I Premium Mortgage Loans. The aggregate Adjusted Balance
outstanding as of the Cut-off Date of the the Group I Premium Mortgage Loans was
$200,182,908. The weighted average Note Rate of the Group I Premium Mortgage
Loans, as of the Cut-off Date, was 7.226%. The weighted average remaining term
to stated maturity of the Group I Premium Mortgage Loans, as of the Cut-off
Date, was 357.29 months.

      Group II Discount Mortgage Loans will consist of Group II Mortgage Loans
with NNRs less than 6.250%. Group II Premium Mortgage Loans will consist of
Group II Mortgage Loans with NNRs greater than or equal to 6.250%. The aggregate
Adjusted Balances outstanding as of the Cut-off Date of the Group II Discount
Mortgage Loans and the Group II Premium Mortgage Loans were $3,649,898 and
$96,472,866, respectively. The weighted average Note Rates of the Group II
Discount Mortgage Loans and the Group II Premium Mortgage Loans, as of the
Cut-off Date, were 6.317% and 6.900%, respectively. The weighted average
remaining terms to stated maturity of the Group II Discount Mortgage Loans and
the Group II Premium Mortgage Loans, as of the Cut-off Date, were 177.95 months
and 176.95 months, respectively.
The Special Hazard Loss Amount as of November 1, 2001 was $3,003,057.00.

      The Fraud Loss Amount as of November 1, 2001 was $6,006,113.45.

      The Bankruptcy Loss Amount as of November 1, 2001 was $120,000.

      The aggregate Initial Principal Amount of the Class A Certificates as of
November 1, 2001 was $292,646,933.00.

      The aggregate Initial Principal Amount of the Class M Certificates as of
November 1, 2001 was $3,904,000.00.

      The aggregate Initial Principal Amount of the Class B-1 Certificates as of
November 1, 2001 was $1,502,000.00.

      The aggregate Initial Principal Amount of the Class B-2 Certificates as of
November 1, 2001 was $901,000.00.

      The aggregate Initial Principal Amount of the Class B-3 Certificates as of
November 1, 2001 was $450,000.00.

      The aggregate Initial Principal Amount of the Class B-4 Certificates as of
November 1, 2001 was $450,000.00.

      The aggregate Initial Principal Amount of the Class B-5 Certificates as of
November 1, 2001 was $451,739.35.

      The Subordinated Certificate Percentage is 2.550314581162%.*

      The Class M Subordination Percentage is 1.250305836922%.*

      The Class B-1 Subordination Percentage is 0.750148784194%.*

      The Class B-2 Subordination Percentage is 0.450121151366%.*

      The Class B-3 Subordination Percentage is 0.300273831974%.*

      The Class B-4 Subordination Percentage is 0.150426512582%.*

--------

*     Equal to the Initial Principal Amount thereof divided by the aggregate
      Adjusted Balance of the Mortgage Loans.
SIGNATURES

      Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                            CITICORP MORTGAGE SECURITIES, INC.
                                            (Registrant)

                                            By: /s/ Howard Darmstadter
                                               -------------------------
                                                    Howard Darmstadter
                                                    Assistant Secretary

Dated: November 29, 2001