CATALOGUE OF VERTEBRATES. 633 



devil diver is probably that most generally used. Arrives early 

 in April, and is found in all our creeks, mill-ponds, &c. in 

 nearly all water that contains small fish. Remains until the 

 middle of October, and breeds within the State. Is by many 

 erroneously considered the female of the 'coot/ Fulica ameri- 

 cana." 



Family URINITORIDJE. 



(Eudytidse.) 

 Loons. 



URINATOR, Cuv. 

 (Eudytes, Illig.) 



U. imber, Gunn. (immer, Briinn.,) (Colymbus torquatus Abbott's Cata- 

 logue, glacialis, L.) Diver. Great Northern Loon. 



Hind toe present, but small ; no ruffs or naked spaces on 

 head ; can hardly walk, but good flyers ; voice sharp and wild ; 

 plumage blackish above, whitish below ; in summer, upper parts 

 spotted with white ; throat, &c., black, with white streaks on 

 sides of neck ; head, &c., glossed with green ; in winter, and in 

 young, white spots above absent ; fore-neck white. Length, 36 

 inches or less; wings, 15 inches; tarsus, 3 inches; bill, 3 inches. 



" Probably not a resident, as it has not been found breeding 

 in the State, and is very seldom seen during the summer months. 

 They are abundant on our sea-board and about our rivers from 

 October till the middle of April. Seldom seen off our rivers 

 when inland, unless compelled to take to flight, which they 

 seldom do." 



U. arcticus, L. Black-throated Diver, or Loon. 



Similar to preceding, but, in summer, hind-neck grayish, fore- 

 neck black, with white streaks on sides between the black and 

 the gray. Length, 28 inches; wings, 13 inches ; bill, 2J inches. 

 Northern boundary of United States marks its southern limit. 



" Young specimens of this diver are very rarely taken, prob- 

 ably, on our sea-board. But only one such instance has come 

 to the notice of the author. Is the rarest of rare visitors." 



U. lumme, Gunn. (septentrionalis.) Red-throated Diver, or Loon. 



Head and neck gray, streaked with white behind and chest- 

 nut on fore-neck in summer, white in winter ; upper parts black- 



