66 BULLETIN OF THE NATURAL HISTORY SOCIETY. 



R. viresceus brachycephala, Cope. (ireenFrog. 



A short-headed and stouter form; the dominant type in New Brunswick. 



R. palUStris, LeConte. .Marsh Frog. 



I»»the southern part of the province; not common. Have not met with it 

 in the four northern counties. 



R. catesbiana, Shaw. Bull-Frog. 



All over the province, but local. The most aquatic of our frogs. 



R. fontinalis, LeConte. Spring-Frog. 



Generally distributed; varies greatly. In fontinalis I recognize a stout, 

 pustular form, the prevailing type in the northern counties. 



R. fOlltinalis nigricans, Agassiz. Spring-Frog. 



A small, black variety, or sub-species met with in rocky brooks. 

 Noonan Brook, Sunbury Co. 



R. fontinalis clamitans, Holbrook. Spring-Frog. 



A long-legged, slender, less webbed and less aquatic variety, which I have 

 collected only in the St. John valley. Mr. C. F. B. Rowe has taken 

 specimens in the vicinity of St. John. 



R. silvatica, LeConte. Wood-Frog. 



Occurs generally, but not abundant. [Mr. C. F. B. Rowe has noted 

 that this species spawns several weeks earlier than other frogs. — Ed.] 



