81 



RANA PIPIENS. 



Plate XV. 



Characters. Head large, green above, yellowish-white below; body large, 

 green in front, dusky olive behind, with irregular black blotches; abdomen 

 yellowish-white, sometimes with dusky marks; extremities dusky, with black bars. 



SrNONTMES. Bull frog, Catesb., Carolina, &c., vol. ii. p. 72, pi. Ixxii. 

 Bull frog, Kalm, Trav., &c., Forster's translation, vol. ii. p. 175. 

 Rana pipiens, Latr., Hist. Nat. Kept, torn. ii. p. 153. 

 Rana catesbeana, Shaw, Gen. Zool., vol. iii. p. 136, pi. xxxiii. 

 Rana mugiens, Merr., Versuch. eines Syst. der Rept., p. 175. 

 Rana pipiens, Cuvier, Reg. An., torn. ii. p. 106. 

 Rana pipiens, Harl., Med. and Phys. Res., p. 101. 

 Rana scapularis, Harl., Loc. Cit., p. 103. 

 Bull frog, Viilgo. 



Description. The head is veiy large, olive above, with the snout green and 

 rounded in front; the upper jaw is green, the lower white, with dusky marks; the 

 throat is clouded yellow. The nostrils are lateral and nearer the snout than the 

 orbit. The eyes are very large and prominent, the pupil black, the iris of a beautiful 

 golden, reticulated with black. The tympanum is large, finely bronzed, with a 

 small yellow spot in the centre. The body is large and thick, smooth above, 

 green in front, dusky, with only a greenish tinge behind, and marked with irregular 

 blotches of dark brown. The thorax and abdomen are smooth, yellowish-white, 

 and often clouded with dusky. 



The anterior extremities are short, thick, dusky above, with a tinge of green, 

 Vol. III.~11 



