wolves are also in process of "investigation (fig. 1,C), "but the coyotes have 

 not yet been intensively studied. 



The collection is indispensable in connection with the administration of 

 wildlife along the many lines embraced in the general activities of the Bureau, 

 and is the "basis for all of its distributional, taXonomic, and identification 

 studies on mammals. Specimens are available also for research purposes to re- 

 sponsible museums, educational institutions, and scientists throughout the 

 country. 



The following 13 new genera, of rodents and rabbits have been described from 

 the collection: Microdipodops , Pap pogeomy s, Cratogeomys , Flatygeomys , 



and 



Goldman in Mexico. 



The Biological Survey collection of North .American recent mammals is stored 

 in the United States national Museum, and laboratory facilities for study are 

 provided there. The collection is accessioned in the museum catalogs, but is 

 maintained as an independent unit. The richness of its composition from LTorth 

 America, is shown by the following enumeration as of <J^xi'J.cjrj 1, 1940: 



