14 NORTH AMERICAN FAUNA 75 



dition were divided between the Universidad Nacional de Costa Rica (a represen- 

 tation of the species collected). Field Museum of Natural History (primarily 

 marsupials and rodents), and U.S. National Museum of Natural History (primar- 

 ily bats). Specimens listed under "Additional records" either were taken from the 

 literature or, for one reason or another, were not examined by one of us. In some 

 cases, specimen identifications and localities were provided to us by curators of 

 the collections in which they were housed, and we have not verified their iden- 

 tifications. The order for listing specimens is according to locality of capture as 

 follows: alphabetical by reference point, then sequential north to south; those from 

 the same latitude referenced to the same point are in order west to east. Sight records 

 are so listed in the individual species accounts and we included these only when 

 we were quite certain a correct identification was made. The arrangement of orders 

 and families follows Hall (1981). Genera and species within a genus are treated 

 in alphabetical order. Abbreviations designating specimens housed in museum col- 

 lections are as follows: 



AMNH American Museum of Natural History, New York 

 CAL California Academy of Sciences, San Francisco 

 CM Carnegie Museum of Natural History, Pittsburgh 

 FMNH Field Museum of Natural History, Chicago 

 KU Museum of Natural History, University of Kansas, Lawrence 

 LACM Natural History Museum of Los Angeles County, Los Angeles 

 LSUMZ Louisiana State University Museum of Zoology, Louisiana State Univer- 

 sity, Baton Rouge 

 MNCR Museo Nacional de Costa Rica, San Jose 



MSB Museum of Southwestern Biology, University of New Mexico, 

 Albuquerque 



MVZ Museum of Vertebrate Zoology, University of California, Berkeley 

 TCWC Texas Cooperative Wildlife Collection, Texas A&M University, College 

 Station 



TTU The Museum, Texas Tech University, Lubbock 

 UCR Universidad de Costa Rica, San Jose 

 UMMZ Museum of Zoology, University of Michigan, Ann Arbor 

 UNA Universidad Nacional de Costa Rica, Heredia 

 USNM United States National Museum of Natural History (including collec- 

 tions of the United States Biological Survey) 



Accounts of Species 



In the following accounts of mammals from the La Selva Biological Reserve- 

 Parque Nacional Braulio Carrillo elevational transect, 142 species belonging to 

 10 orders and 32 families are included on the basis of documentation of their oc- 

 currence in Heredia Province. In addition, one species is considered as extirpated 

 from the region, and comments are made concerning five species that may occur 



