CONTENTS. IX 



Order Chiroptera — Continued. Page. 



Family Natalidse 64 



Genus Natalue Gray 64 



Genus Chilonatalue Miller 65 



Genus Nyctiellus Gervais 66 



Family Thyropteridae 66 



Genus Thyroptera Spix 66 



Family Vespertilionidse 67 



Subfamily Vespertilioninae 67 



Genus Myotis Kaup 67 



Genus Pizonyx Miller 73 



Genus Lasionycteris Peters 74 



Genus Pipistrellus Kaup 74 



Genus Eptesicus Rafinesque 76 



Genus Nycteris Borkhausen 78 



Genus Dasypterus Peters 79 



Genus Xycticeius Rafinesque 80 



Genus Rhogeessa H . Allen 81 



Genus Bseodon Miller 81 



Genus Euderma H. Allen 82 



Genus Corynorhinus H. Allori 82 



Genus Idionycteris Anthony 84 



Subfamily Nyctopliilinse 84 



Genus Antrozous H . Allen 84 



Family Molossidae 84 



Genus ]\lolo8sops Peters 84 



Genus Tadarida Rafinesque 85 



Genus Mormopterus Peters 87 



Genus Promops Gervais 87 



Genus Eumops Miller 87 



Genus Molossus Geofiroy 88 



Order Carnivora 90 



Family Ursidss 90 



Genus Euarctos Gray 90 



Genus Ursus Linnaeus 92 



Genus Thalarctos Gray 106 



Family Procyonidae 107 



Genus Procyon Storr 107 



Subgenus Euprocyon Gray 108 



Subgenus Procyon Storr 108 



Genus Nasua Storr 110 



Genus Bassaricyon Allen Ill 



Genus Potos Geoffrey and Cuvier Ill 



Family Bassariscidoe 112 



Genus Bassariscus Coues 112 



Family Mustelidae 114 



Subfamily Musteline 114 



Genus Martes Pinel 114 



Subgenus Martes Pinel 114 



Subgenus Pekania Gray 116 



Genus Mustek Linngeus 116 



Subgenus Mustela Linnaeus 117 



Subgenus Lutreola Wagner 124 



Subgenus Putorius Cuvier 127 



