421 



AAA. Tympanum distinct; vomerine teeth present in 32 out of 34; 

 snout normal; bones green; green above in life with black 

 dots; a white line around upper jaw; gular sac green; iris black 

 with gold lines; a well-developed humeral hook in all males 

 and in some females; in preservative purple above, usually 

 with black dots; fingers less webbed prosoblepon. 



Key to Canal Zone Rana. 



A. Toes fully webbed; rather uniform green in color; snout rounded. 



palmipes. 

 AA. Toes not fully webbed; blackish, with red legs, and yellow spots 



on hind face of thighs; snout long and acute zeteki. 



