SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 



Bulletin 194 



AN ANNOTATED CHECKLIST 



AND KEY TO THE AMPHIBIA 



OF MEXICO 



By 

 HOBART M. SMITH and EDWARD H. TAYLOR 



UNITED STATES 

 GOVERNMENT PRINTING OFFICE 



WASHINGTON : 1948 



For sale by the Superintendeat of Documents, U. S. Government Printing Office, Washington 25, D, C 



Price SO cents 



