ItATHACniA SALIENTIA. 17 



ft-?. Adult and half-groA\Ti. Sweden. Presented by Prof. Sun- 



devall. 

 e, ^. Adult. Bononia. Presented by J. J. Bianconi. In one of the 



specimens the tubercle on the metatarsus is blunt, as in plafi/- 



rJiinxis. 



B. Asiatic specimetis. 

 Rana temporaria, var. japonica, ScMe<jel, I. c. 



T). Half'-{j;rown. Ningpo. From Mr. Cuming's Collection. 



0, I. Young : bad state, Chusan. Presented by the East India 



Company, 

 k, X. Young : bad state. Chusan. 

 fi-^. Adult. Japan. From the Leyden Museum. 



C. American specimens, 



Rana silvatica, Leconte, Ann. Lye. Nat. Hist. New Yorh, i. 

 p. 282 ; Harlan, inSiUim. Journ. xiv. p. 58, and in Journ. 

 Ac. Nat. Sc. Phihul. v. 338 ; Tschudi, Batr. p. 79 ; Bum. 

 6,' Bihr. p. 362 ; Holhr. N. Amer. Herpetol. iv. pi. 24. 

 Rana pennsylvanica, Harl. I. c. p. 60. — Tympanum gene- 

 rally, but not always, rather larger than in the European 

 specimens. 



o. Adult. North America. 



TT-s. Adult and half-grown. North America. Presented by Edward 

 Doubleday, Esq. 



r, V. Half-grown : bad state. North America. Presented by Dr. 

 J. Green. 



0, v/-. Adult. Woods near Chekham. 



b>. Some half-grown and young specimens. Great Bear Lake. Pre- 

 sented by Sir J. Richardson. 



aa-dd. Adult and young. North America. From Dr. Gardiner's 

 Collection. 



ee-g(j. Adult. North America. 



17. Rana superciliaris. (Plate I. fig. B.) 



Snout much elongate, veiy acute ; inner nostrils small, much nearer 

 the interior prominence of the eye than the tip of the snout ; tym- 

 panum nearly as large as the eye ; skin with long, strong longitu- 

 dinal folds ; upper eyelid with a small fold in front and another 

 deep one behind, the latter forming a free hinder edge. Toes not 

 webbed to the end, fourth one-thii-d longer than the third ; meta- 

 tai-sus with only one small tubercle. Vomerine teeth in two short 

 series, situated near the front edge of the inner nostril. 



a. Adult male. Sierra Leone. Two lateral exterior vocal sacs. 

 Length of cleft of mouth f " ; length from the angle of mouth 

 to anus i" ; length of liinder leg 3^". 



c 



