UNITED STATES NATIONAL MUSEUM BULLETIN 266 



A Checklist of 



the Millipeds of 



Mexico and Central America 



H. F. LOOMIS 



Honorary Fellow, Department of 

 Entomology, Smithsonian Institution 



Research Associate, Florida State 

 Collection of Arthropods 



SMITHSONIAN INSTITUTION PRESS 



CITY OF WASHINGTON 



1968 



