376 BULLETIN 79, UNITED STATES NATIONAL MUSEUM. 



Order EDENTATA. 



Family BRADYPODID^. 



Genus CHOLCEPUS lUiger. 



1811. Cholcepus Illiger, Prodr. Syst. Mamm. et Avium, p. 108. 

 Type, Bradypus didactylus Linn^us. 



*Choloepus hoffmanni Peters. 



1858. Choloepus lioffmanni Peters, Monatsber. k. preuss. Akad. 



Wissensch. Berlin, p. 128. 

 1885. Cholopus hqfmani True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 588. 1885. 

 Type Locality. — Costa Rica. 



Genus BRADYPUS Linnaeus. 



1758. Bradypus Linn^us, Syst. nat., ed. 10, vol. 1, p. 34. 

 Type, Bradypus tridactylus Linn^us. 



*Bradypus castaneiceps (Gray). 



1871. ArctopitJiecus castaneiceps Gray, Proc. Zool. Soc. London, 

 p. 444. 



1882. Bradypus castaneiceps Alston, Biol. Centr.-Amer., mam- 

 mals, p. 184. 



1885. Bradypus castaneiceps True, Proc. U. S. Nat. Mus., vol. 7 

 (1884), p. 588. 1885. 



Type Locality. — Chontales, Nicaragua, 



*Bradypus infuscatus Wagler. 



1831. Bradypus infuscatus Wagi.f,r, Isis, p. 611. 



1885. Bradypus infuscatus True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 588. 1885. 

 Type Locality. — Western Brazil. (Ranges north to Costa 

 Rica.) 



Family MYRMECOPHAGIDJE. 



Genus CYCLOPES Gray. 



1821. Cyclopes Gray, London Med. Repos., vol. 15, p. 305. 

 Type, MyrmecopJmga didactyla Linn^us. 



For use of thia name in place of Cydothurus Lesson (Nouv. tabl. rfegne 

 animal, p. 152, 1846) see Thomas, Ann. and Mag. Nat. Hist., ser. 6, vol. 15, 

 p. 191, February, 1895; Palmer, Proc. Biol. Soc. Washington, vol. 13, p. 72, 

 September 28, 1899. 



