PRIMATES: HOMINIDAE— EDENTATA : MEGALONYCHIDAE 129 



Superfamily HOMINOIDEA (manlike Primates) 

 Family Hominidae (men) 



Genus HOMO Linnaeus 



1758. Homo Linnaeus, Systema naturae, ed. 10, vol. 1, p. 20. (Type, Homo 

 sapiens Linnaeus.) 



Homo sapiens sapiens Linnaeus* (Caucasian) 



1758. [Homo] sapiens Linnaeus, Systema naturae, ed. 10, vol. 1, p. 20. 

 Type Locality. — Upsala, Sweden. Range. — Now almost cosmopolitan. 



Homo sapiens afer Linnaeus* (Negro) 



1758. [Homo sapiens] afer Linnaeus, Systema naturae, ed. 10, vol. 1, p. 22. 



Type Locality. — Africa. Range. — Introduced and widely established in North 

 America. 



Homo sapiens americanus Linnaeus* (American Indian) 



1758. [Homo sapiens] americanus Linnaeus, Systema naturae, ed. 10, vol. 1, 



p. 20. 

 Type Locality. — Eastern North America. Range. — North, Central, and South 



America. 



Homo sapiens asiaticus Linnaeus* (Chinese, Japanese, etc.) 



1758. [Homo sapiens] asiaticus Linnaeus, Systema naturae, ed. 10, vol. 1, 



p. 21. 

 Type Locality. — Asia. Range. — Now widely established in North America 



(see Grinnell, Univ. California Pub. Zool, vol. 40, No. 2, p. 119, Sept. 26, 1933) . 



Order EDENTATA 63 



Suborder XENARTHRA 



Superfamily MEGALONYCHOIDEA (sloths) 



Family Megalonychidae (ground sloths) 



Genus ACRATOCNUS Anthony 

 1916. Acratocnus Anthony, Ann. New York Acad. Sci., vol. 27, p. 195, Aug. 

 9, 1916. (Type, Acratocnus odontrigonus Anthony.) 



Acratocnus odontrigonus Anthony 



1916. Acratocnus odontrigonus Anthony, Ann. New York Acad. Sci., vol. 27, 

 p. 195, Aug. 9, 1916. 



Type Locality. — Cueva de la Ceiba, Hacienda Jobo, near Utuado, Puerto 

 Rico. Range. — Known only from remains found in caves. 



Acratocnus major Anthony 



1918. Acratocnus major Anthony, Mem. Amer. Mus. Nat. Hist., new ser., vol. 2 

 (June), p. 412, Oct. 12, 1918. 



63 For classification of living members of the order see Pocock, Proc. Zool. Soc. London, 

 1924, pt. 4, pp. 1030-1031, Dec. 31, 1924; and Simpson, Bull. Amer. Mus. Nat. Hist., vol. 

 85, pp. 69-75, Oct. 5, 1945. 



