77 



R A N A . — LinncEus. Diimcril et Bibroii. 



Genus Rana. — Characters. Tongue large, fleshy, oblong, slightly contracted 

 before, notched behind, where it is alone movable; maxillary and palatine teeth 

 minute, the latter placed between the posterior nares; tympanum distinct; male 

 with two vocal vesicles either external or internal; fingers and toes sub-round, the 

 former free, the latter pahnated. 



RANA PIPIENS.— La/m7/e. 



Plate XVIII. 



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. 



Stnonymes. Bull-frog, Catcsby, Carolina, &c., vol. ii. p. 72, pi. Ixxii. 

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

 Rana pipiens, Latreille, Hist. Nat. Rept, torn. ii. p. 153. 

 Rana Catesbeiana, Shaj.v, Gen. Zool., vol. iii. p. lOG, pi. xxxiii. 

 Rana mugiens, Merrem, Vcrsuch eines Syst. der Amphib., p. 175. 

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

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

 Rana scapularis, Harlan, loc. cit., p. 103. 



Rana mugiens, Dumeril et Bibron, Hist. Nat. des Rept., torn. viii. p. 370. 

 Bull-frog, Vulgo. 



