99 



RANA SYLVATICA.— Leco«/e. 



Plate XXIV. 



Characters. Body above pale reddish-brown, beneath yellowish-white; head 

 with a very dark brown stripe, extending from the snout through the eye, and 

 including the tympanum. 



Synonvmes. Rana sylvatica, Leconte, Lye. Nat. Hist. N. Y., vol. i. p. 282. 

 Rana Pennsylvanica, Harlan, Silliman's Journ., vol. x. p. 60. 

 Wood-frog, Vulgo. 



Description. The superior surface of this frog is of a pale reddish-brown 

 colour, with a slight tinge of green. The head is small, narrow, and pointed. A 

 very dark brown stripe, narrow before and broader behind, begins at the snout 

 and extends to near the shoulder, including the nostrils, the pupil, the inferior half 

 of the eye, and the tympanum, which is of moderate size; below this dark vitta is 

 a yellowish-white line, extending to the shoulder: a black spot is usually present 

 at the base of the anterior extremities. The upper jaw is bronzed, and mottled 

 with dark brown; the lower is nearly white, having only a few black spots. The 

 palate is armed with minute teeth, in two groups between the posterior part of 

 the posterior nares. The nostrils are placed nearer the point of the snout than 

 in Rana halecina. The eyes are large, the pupil is black, and oval in shape; the 

 iris is very dark brown below, but the portion above the pupil is golden. The 

 tympanum is small, and very dark brown. 



The back is pale reddish-brown, with two cutaneous folds or elevated longitu- 

 dinal yellow lines, often interrupted with black spots, extending from the orbit to 



