106 GREEN-BLUE SWALLOW. 



THE male of this species has all the upper parts 

 of the body of a beautiful shining black, changing 

 to brilliant blue and green, according to the posi- 

 tion with respect to the light : the tail and wings 

 are of a deep black, and the latter, in a state of 

 rest, reach about six lines beyond the tip of the 

 tail : the beak and irides are black : the legs and 

 feet are brown : all the under parts of the body 

 are of a snowy white colour : the female differs in 

 having the black less brilliant : the young bird 

 has the upper parts of the body dusky : the 

 feathers of the wing and tail, with those of the 

 rump, are edged with dingy white. Inhabits va- 

 rious parts of North America, and is know at Hud- 

 son's Bay by the name of Shasyivine peskew. 



GREEN-BLUE SWALLOW. 

 (Hirundo leucogaster. ) 



Hi. supra viridi-c&rulea , subtus alba. 

 Swallow, above green blue, beneath white. 

 Hirundo bicolor. Wils. Amer. Orn. 5. 44. 

 Green-blue or White-bellied Swallow. Wils. Amer. Orn. 5. 44. 

 pi 38.f. 3. 



THIS is in length five inches and three quarters, 

 and in expanse about twelve : its beak and eyes 

 are black : the upper parts of the body are of a 

 light glossy green blue : wings brown black, with 

 slight green reflections : tail rather forked, the 

 two exterior feathers being about a quarter of an 



