30 THE BIOLOGICAL REVIEW. 



first appeared May 18th, on which day they were common. I 

 think a few remained here to breed, for though I found no nests, 

 yet I saw specimens occasionally all through the summer. 



Helminthophila celala. — I took a male of this species May 

 15th, the only one I saw ; it is very rare in Ontario. 



Helminthophila peregrina. — A female taken May 18th the 

 only one seen ; this species occurs even less frequently than the 

 last. 



Dendroica maculosa. — This species occurs regularly, and is 

 rather abundant here in the spring, but their stay is of short 

 duration. May 14th I saw the first, a few males, on the 18th 

 they were abundant, both sexes together, and on the 23rd all 

 had left, but a few scattered females. 



Dendroica palmarum. — I have usually found this warbler 

 fairly well represented throughout the Province, but this season 

 I saw only one, which I took near Toronto, May 15th. 



Seiurus noveboracensis. — On May 8th I took one, and on 

 August 8th I took another ; besides these I saw at least five or 

 six others in the spring. In the autumn I saw only the one 

 taken August 8th. 



Lanius ludovicianus . — Twenty years ago this bird was com- 

 mon throughout western Ontario and the Niagara Peninsula, 

 but of late years they have apparently almost abandoned the 

 Province. This season, however, I found three pairs nesting 

 near the City, all of which took off their broods safely. The 

 first appeared May 7th, and they left almost as soon as the 

 young could fly well ; the last I observed July 10th, an 

 immature bird. 



Calcarins lapponicus. — Rather an unusual number of these 

 birds visited this neighborhood this autumn; on the 10th of 

 October I saw a few small parties of them ; from that day until 

 the 26th, I saw several large flocks daily ; these flocks were 

 composed of Longspurs only. On the 29th of October I saw 

 the last of them ; this was a single bird, with a flock of Snow 

 Buntings. 



Passerella iliaca. — In the spring migration I saw several of 

 these somewhat uncommon birds, the first April 12th. In the 

 autumn only one was seen, this I took October 23rd. 



