PLATE XLIV. 



Class AMPHIBIA. 



THE FKOG (Eana temporaries). 



FIG. 1. FROG, x t. 



n. external nares : e. eye : t. tympanic membrane : b. brachium : 

 a. b. antibrachium : m. manus : s. sacral hump : /. femur : 

 c. cms : p. pes. 



FIG. 2. HEAD : DORSAL VIEW, x 1. 



n. external nares : e. eye : t. tympanic membrane. 



FIG. 3. HAND OF MALE FROG DURING THE BREEDING SEASON, x 2. 

 c. cushion : II.-V. the four digits. 



FIG. 4. HAND OF FEMALE FROG, x 2. 

 II.-V. the four digits. 



FIG. 5. PES : DORSAL VIEW, x 2. 

 iv. web : I.-V. the digits. 



FIG. 6. EOOF OF THE MOUTH, x 2. 



t. teeth on the maxilla and premaxilla : v. vomerine teeth : n. internal 

 nares : e. Eustachian opening. 



FIG. 7. FLOOR OF THE MOUTH, x 2. 



t. tongue : 7??. lower jaw : y. glottis. 



