CHECK LIST OF THE 



(3) Horned Grebe. 



(Colymbus auritus.) 



Abundant on the great lakes and all large bodies of water through- 

 out the Province in spring and autumn; breeding in the large marshes. 

 A few remain on Lake Ontario through the winter. 



GENUS PODILYMBUS. 



(6) Pied-billed Grebe. (Hell Diver.) 



(Podilymbus podiceps.) 



A common summer resident in marshes all over the Province, breed- 

 ing throughout its range. Arrives early in April, departs about the 

 middle of October. 



FAMILY GAVIID^. (THE LOONS.) 



Bill long, strong, tapering, acute, wholly hard ; nostrils linear. Head 

 densely and evenly feathered, without ruffs or naked spaces ; eye large. 

 Feet palmate; tarsus reticulate, strongly compressed; wings strong. 

 Tail short but well developed. Birds of large size, with strong powers 

 of flight and pre-eminent in swimming and diving, but scarcely able to 

 walk. Their notes are curiously loud and wild, according well with 

 their usual surroundings. They feed on fishes. 



GENUS GAVIA. 



(7) Loon. 



(Gavia imber.) 



Common on all large bodies of water in spring and autumn, breed- 

 ing about the lakes and marshes of the interior. Some few remain on 

 the great lakes all through the winter, but the bulk go south during the 

 coldest part of the season. 



(*) (9) Black-throated Loon. 



(Gavia arctica.) 

 A very rare winter visitor. 



(n) Red-throated Loon. 



(Gavia lumme.) 



A common spring and autumn visitor to our waters, breeding in the 

 far north and retiring southward as its haunts freeze up. 



FAMILY ALCID^E. (THE AUKS, MURRES, ETC.) 



Feet palmate, three-toed ; tarsus reticulate or partly scutellate ; 

 claws ordinary ; tail perfect of few feathers ; legs set far back. All our 

 species fly well and swim on, or under water with equal ease. Tfcey feed 

 on fishes. 



