240 REPTILES OF MASSACHUSETTS. 



posterior portion, extends from the snout to the shoulder : this 

 band passes through the centre of the eye, inckiding within it, 

 the tympanum ; margining the lower edge of this band, is a 

 deep yellow line running its whole extent. Extremities above^ 

 rather lighter than the back ; the anterior extremities are sel- 

 dom banded ; the posterior extremities, crossed by transverse 

 dark colored bands. Anterior extremities, four toed ; posterior, 

 five toed. 



Like the three preceding species, this frog feeds principally 

 upon insects. 



Hylodes. Fitzinger. 



Generic characters. Mouth furnished loith a tongue, teeth 

 in the superior maxillary and palatine bones ; tympanum, 

 visible ; extremities slender, tips of the fingers and toes ter- 

 minating in slightly developed tubercles. 



H. Pickeringii. Pickering^ s Hylodes. 

 N. A. Herpet. vol. iii. 



Rev. John L. Russell, of Salem, showed me the only spe- 

 cimen of this species I have ever seen, which was captured by 

 Dr. Nichols, in Danvers. Having no opportunity to describe 

 it myself, I extract the following account from the pages of 

 the " Journal of the Essex County Natural History Society." 



" Above, fawn color, changeable to dark cinereous ; marked 

 with two transverse narrow black lines, forming a cross, and 

 an irregular narrow line on each side, producing, with the other 

 lines, a general rhomboidal configuration ; a large triangular 

 spot on the back of the head, formed by the junction of lines 

 proceeding from the centre of the irides ; a spot at the inser- 

 tion of the fore legs ; a pale yellowish line margined with 

 black, bounds the back part of the fore and hind legs ; an ir- 

 regular spot on the extremity of the rump ; beneath, granulated 

 on the abdomen, legs and thighs ; a character also perceptible 

 in some degree, on the upper surface. Head rather obtuse ; 



