X U. S. NATIONAL MUSEUM BULLETIN 205 



Mammals represented in U. S. National Museum collections 



Families 



Marsupialia 



Didelphiidae . . 

 Insectivora 



Solenodontidae . 



Soricidae .... 



Talpidae .... 



Nesophontidae 

 Chiroptera 



Emballouuridae . 



Noctilionidae . . 



Phyllostoinidae . 



Desmodontidae . 



Natalidae .... 



Thyropteridae . . 



Vespertilionidae . 



Molossidae . . . 

 Primates 



Cebidae .... 



Callilhricidae . . 



Cercopithecidae . 



Hominidae . . . 

 Edentata 



Megalonychidae . 



Myrinecophagidae 



Bradypodidae . . 



Dasypodidae . . 

 Lagomorpha 



Ochotonidae . . 



Leporidae .... 



RODENTIA 



Aplodontiidae . . 

 Sciuridae .... 

 Geoniyidae . . . 

 Heleromyidae . . 

 Castoridae . . . 

 Cricetidae . . . 

 Muridae .... 

 Zapodidae . . . 

 Erethizontidae 

 Hydrochoeridae . 

 Heptaxodontidae 

 Dasyproctidae . . 

 Capromyidae . . 

 Echimyidae . . . 



Forms 

 listed 



39 



3 



163 



41 



6 



13 



3 



131 



2 

 10 



2 



103 



35 



27 

 1 

 2 

 4 



4 

 5 

 4 

 4 



32 

 124 



7 



379 



413 



338 



25 



871 



6 



40 



12 



1 



3 



20 



24 



17 



Forms in 

 collec- 

 tion 



32 



2 



142 



31 



4 



10 



3 



108 



2 



9 



2 



90 



31 



21 

 1 



2 

 4 



2 

 5 

 4 

 4 



29 

 112 



6 



349 



320 



257 



23 



730 



6 



31 



10 



1 



1 



16 



18 



14 



Forms 

 not rep- 

 resented 



1 



21 

 10 



2 



3 

 



23 

 

 1 

 



13 

 4 



6 

 

 

 



Eutypes 



17 







104 



10 



3 





 1 



42 

 

 6 

 



40 

 9 



5 





 

 



Hypo- 

 types 



