1 



RANA 



i. Lateral view of the Frog: head; trunk; fore-limbs; hind-limbs; sacral prominence; mouth; external 

 nares ; eye ; tympanic membrane ; cloaca ; bristle passed through the tympanic membrane, a,n,d traced into the 

 mouth by the Eustachian tube; bristle passed into the external nares and traced into tta ; m"3u;th\by the; \ttitBrnal 

 nostril. >'"' > .,, ,,. , ... 





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2. Enlarged drawings of the palmar surface of the fore-foot, or manus, with four digits (numbered 25;, 

 the praeaxial (internal) digit with pad in the male ; and of the plantar surface of the hind-foot, or pes, with five 

 digits (numbered), webbed. 



