North American Fauna 



This publication series includes monographs and other reports of scientific investigations 

 relating to birds, mammals, reptiles, and amphibians, for professional readers. It is a con- 

 tinuation by the Fish and Wildlife Service of the series begun in 1889 by the Division of 

 Ornithology and Mammalogy (Department of Agriculture) and continued by succeeding 

 bureaus— Biological Survey and the Bureau of Sport Fisheries and Wildlife. The Service 

 distributes these reports to official agencies, to libraries, and to researchers in fields related 

 to the Service's work. 



Copies of this publication may be obtained from the Publications Unit, U.S. Fish 

 and Wildlife Service, 18th and C Streets, NW., Mail Stop 1111, Ariington Square 

 Building, Room 130, Washington, DC 20240, or may be purchased from the National 

 Technical Information Service (NTIS), 5285 Port Royal Road, Springfield, VA 22161. 



Tliis issue marks the Centennial for North American 

 Fauna. The first, ''Revision of the North American pocket 

 mice, " by C. H. Merriam, was published in October 1889. 

 Tlie U.S. Fish and Wildlife continues to sustain the high 

 standards and prestige of its seminal research publication 

 series, which comprises monographs and other reports 

 based on long-term fundamental research on the life 

 history, distribution, and taxonomy of vertebrates and on 

 community ecology. 



ISSN 0078-1304 



