NORTHERN DIVER. 283 



about with astonishing dexterity, in which they are 

 greatly assisted by their wings : they chiefly affect 

 fresh water : they usually lay two eggs : and their 

 principal nourishment consists of small fishes, to which 

 they are very destructive : they also devour aquatic- 

 insects and vegetables. 



NORTHERN DIVER. 



(Colyrabus glacialis.) 



Co. capite collogue nigro-violaceo, Jascia gulae cervicisque alba 



interrupta ; ant, corpore supra nigricante albo undulato subtus 



toto albo. 

 Diver with the head and neck deep violet, with an interrupted 



white fascia on the throat and cervix ; or, with the body above 



dusky, undulated with white, beneath entirely white. 

 Colymbus glacialis. Linn. Syst. Nat, 1.221. Gmel. Syst. Nat. 



1. 588. Lath. Ind. Orn. 2. 799. Sabine, Frank. Jonrn. App. 



703. 



Colymbus torquatus. Brunn.p. 41. no. 13-4. 

 Mergus major uaevius. Briss. Orn, 6. 120. pi. \\.f* 2. 

 Colymbus maximus caudatus. Paii, Syn. 125. A. 

 L'Imbrim. Buff. Ois.8. 258.;;/. 22. Buff. PL Enl. 952. Temm. 



man. d'Orn. 597- Id. 2 Edit. ii. 910. 

 Le Grand Plongeon. Cu-. Reg. Anim. 1. 508. 

 Greatest Speckled Diver, or Loon. Alb. Birds, 3. pi. 93. 

 Northern Diver. Penn. Brit. Zool. 2. 327- pi- 93. Penn. Arct. 

 Zool. 2. 439. Lath. Gen. Syn. 6. 337. Leic. Brit. Birds, 6. 



pi. 226. Wale. Syn. \.pl. 90. Don. Brit. Birds, 3. pi. 58. 

 Mont. Orn. Diet. 1. Beiv. Brit. Birds, 2. 183. Wils. Amer. 

 Orn ix. /;. 84. /;/. Ixxiv.y. 3. 



