﻿1848. FROGS. 203 



can name for any American reptile.* A frog resem- 

 bling it, but perhaps of a different species, abounds 

 on the Saskatchewan, and its cry of love in early 

 spring so much resembles the quack of a duck, that 

 Avhile yet a novice in the sounds of the country, it 

 led me more than once to beat round a small lake 

 in quest of ducks that I thought were marvellously 

 well concealed among the grass. 



On Bear Lake River, the frogs make the marshes 

 vocal about the beginning of June. Throughout 

 Kupert's Land, they come abroad immediately after 

 the suow has melted. In the swampy district 

 between Lake Superior and Rainy Lake, they are 

 particularly noisy. While we were descending the 

 Savannah River on the 20tli of May, we were 

 exposed to the incessant noise of one called by the 

 voyagers le crapaicdf, whose cry has an evident affi- 



* See note p. 204. 



f This is probably the Bi/fo americanus, also. Mr. Gray of 

 the British Museum, who examined my specimens, found old 

 and young examples of B. americanus from Lake Winipeg, and 

 young ones from Great Bear Lake. There were also many 

 specimens of Rana sylvatica (Je grenouille) from the former 

 locality ; some of Ilyla versicolor of Le Conte, or //. verrucosa 

 of Daudin ; and a solitary individual of a Hylodes, which he 

 thinks may be new. It resembles, he says, " //. maculatus of 

 Agassiz (Lake Superior, p. 378. ph vi. f. 1-3.), but differs iu 

 colour. The back is grey, with three cylindrical dark bands, 

 interrupted and diverging from each other on the hind part of 

 the back. The side of the face has a black streak, which is 

 continued over the base of the fore-arm, and along the side of 

 the body, gradually descending towards the belly. The toes are 



