ORDERS)
         [                          NEW ORLEANS, LA., April 4, 1864.
 No. 16.  j

    All troops of African descent, in the Department of the  Gulf, will hereafter
be designated  as  Regiments  of  United  States  Cavalry, Heavy Artillery, Light
Artillery,  or Infantry,  (colored.)  Such  regiments  as may hereafter be put in
process of organization,  will be reported to Brigadier Genera! L. Thomas, Adjutant
General,  U.  S. Amy, at Vicksburg, Miss., in order  that they may receive their
proper number.
                                CAVALRY.
     First Cavalry  Corps d'Afrique, as the Fourth.
                         HEAVY  ARTILLERY.
     First Regiment Heavy Artillery, Corps d'Afrique, as the Seventh.
     First and Second  BattalioD, Fourteenth  Regiment  Rhode Island Heavy
Artillery, Corps d'Afrique, as the  Eighth.
                               INFANTRY.
     First Regiment InfaDtry, Corps d'Afrique, as the Sevenly-third.
     Second Regiment Infantry, Corps d'Afrique, as the Seventy-fourth.
     Third Regiment Infantry, Corps d'Afrique,  as the Seventy-fifth.
     Fourth Regiment Infantry, Corps d'Afrique, as the Seventy-sixth.
     Fifth Regiment Infantry,  Corps d'Afrique, as the Seventy-seventh.
     Sixth Regiment Infantry, Corps d'Afrique, as the Seventy-eighth.
     Seventh Regiment Infantry, Corps d'Afrique, as the Seventy-ninth.
     Eighth Regiment Infantry, Corps d'Afrique, as the Eightieth.
     Ninth Regimen? Infantry, Corps d'Afrique,  as the Eighty-first.
     Tenth Regiment Infantry, Corps d'Afrique, as the Eighty-secocd.
     Eleventh Regiment Infantry, Corps d'Afrique, as the Eighty-third.
     Twelfth Regiment  Infantry,  Corps d'Afrique, as the Eighty-fourth.
     Thirteenth Regiment Infantry, Corps  d'Afrique,  as the Eighty-fifth.
     Fourteenth Regiment Infantry, Corps d'Afrique,  as the  Eighty-sixth.
     Sixteenth Regiment Infantry, Corps  d'Afrique, as the Eighty-seventh.
     Seventeenth Regiment  Infantry, Corps d'Afrique, as the Eighty-eighth.
     Eighteenth Regiment Infantry, Corps d'Afrique,  as the Eighty-ninth.
     Nineteenth Regiment Infantry, Corps d'Afrique,  as the Ninetieth.
     Twentieth Regiment Infantry, Corps  d'Afrique,  as the  Ninety-first.
     Twenty-second Regiment Infantry, Corps d'Afrique, as the Ninety-second.
     Twenty-fifth Regiment  Infaniry, Corps d'Afrique, as the Ninety-third.
     Twenty-sixth Regiment Infantry, Corps  d'Afrique,  as the Ninety-fourth.
     First Regiment  Engineers, Corps d'Afrique, as the Ninety-fifth.
     Second Regiment Engineers, Corps d'Afrique,  as the Ninety-sixth.
     Third Regiment Engineers,  Corps d'Afrique, as the Ninety-seventh.
     Fourth Regiment Engineers, Corps d'Afrique, as the Ninety-eighth.
     Fifth Regiment Engineers, Corps d'Afrique, as the Ninety-ninth.
       By Order  of tub  Sfcrv.tarv of War.
                                                     I.. THOMAS,
                                                        Adjutant General.