22 CHOLOEPUS. BRADYPUS. CYCLOPES. 



Hoffmann's Sloth. Perico Lijero in Costa Rica. 



1-4. Adult — P. Panama, Central America. Ward's Nat. Scien. 



Establ., Rochester, N. Y. 

 5-6. Adult c? P. Boqueron, Chiriqui, Costa Rica. J. H. Batty. 

 7-10. Adult 9 P. Boqueron, Chiriqui, Costa Rica. J. H. Batty. 

 II. Juv. 9 P. Boqueron, Chiriqui, Costa Rica. J. H. Batty. 



Genus 25. Bradypiis. 



Bradypus Linn., Syst. Nat., i, 1758, p. 34. Type Bradypus tridac- 



tylus Linnaeus. 

 Acheus F. Cuv., Dents Mamm., 1825, pp. 194, 256, pi. lxxviii. 

 * Arctopithecus Gray, List Spec. Mamm. Brit. Mus., 1843, p. 



XXVIII. (nomen nudum.) Id. Proc. Zool. Soc, 1849, pp. 65, 



70-73, pi. XI. 

 Scaeopus Peters, Monatsb. K. Preuss. Akad. Wiss. Berl., 1865, 



p. 678. 



35. Bradypus tridactylus Linnaeus. 



Bradypus tridactylus Linn., Syst. Nat., i, 1758, p. 34. 



Bradypus crinitiis Gray, Proc. Zool. Soc, 1849, P- 67. 

 Three-toed Sloth. 



1-2. Adult — P. Rio de Janeiro, Brazil. Ward's Nat. Scien, 

 Establ., Rochester, N. Y. 



Family IL Hyriiiooopliajjidji', .4nteat<»r!«*. 



Genus 26. Cyclopes. 



Cyclopes Gray, Lond. Med. Repos., xv, 1821, p. 305. Type Myrme- 



cophaga didactyla Linnaeus. 

 Didactyles F. Cuv., Diet. Scien. Nat., lix, 1829, p. 501. 

 Myrmydon Wagl., Nat. Syst. Amph., 1830, p. 36. 

 Dionyx I. Geoff., Res. Lemons Mamm. Mus. Paris, 1835, P- 54- 

 Myrmecolichnus Reich., K. Sach. Naturh. Mus. Dresd., Ein Leit- 



faden, 1836, p. 51. 

 Eurypterna Glog., Hand- u. Hilfsb. Naturg., i, 1841, pp. xxxi, 



112. 



*By some oversight quite inexplicable, there was cited in the Check-List. p. 9, 

 after this name: Verey, Nouv. Diet. Hist. Nat., XXI, 1819, p. 279, which was 

 applied to a species of Monkey and has nothing in common with Gray's name. 



