St 



DIVER. 



1 Northern Diver 



2 Imber 

 A Var. 



3 Black-throated 



GENUS CI.— DIVER. 



4 Red-throated 



5 Speckled 



6 Striped 



7 Newcastle 



8 Boreal 



9 Chinese 



JjILL strong, straight, pointed ; upper mandible the longest, 

 edges of each bending inwards. 



Nostrils linear. 



Tongue long, and pointed, serrated on each side near the base. 



Legs compressed. 



Toes four in number, the exterior the longest ; the back one 

 small, joined to the interior by a small membrane. 



Tail short, consisting of twenty feathers. 



1.— NORTHERN DIVER. 



Colymbus glacialis, Ind. Orn. ii. 799. Lin. i. 221.- Gm. Lin. i. 588. Muller, No. 155, 

 Frisch, t. 185. A. Fn. Groen. No. 62. Fn. Amer. No. 16. Ph. Tr. Ixii. 420. 

 22. Amer. Orn. is. 84. pi. 74. 3. Shaw's Zool. pi. 1049. Tent. Man 597. Id. 

 Ed. 2d. p. 911. 



Colymbus torquatus, Brun. No. 134. 



Mergus major nsevius, Bris. vi. 120. t. 11. f. 2. — adult. 7rf.8vo.ii. 392. 



— — — nsevius, Bris. vi. 118. — young. Id. 8vo. ii. 391. 



marinus tessellatus, Robert. Ic. pi. 23. 



Colymbus maxirnus caudatus, Raii, 125. A. 4. Will. 259. Klein, 141. 1. 



stellatus, Sibb. Scot. ii. 20. t. 15. f. 1. 



. muticus, Great black and white Pied Diver, Bartr. Trav. 293. 



Mergus major naevius, sive arcticus, Gerin. v. t. 507. 



Der Imber, Bechst. Deutsch. iii. 780. Id. Ed. 2d. iv. 595. 



Der Eistaucher, Schmid, Vog. p. 160. t. 137. 



L'Imbrim, Buf. viii. 25S. pi. 22. PI. enl. 952. Ph. Trans, x. p. 460.* 



Immer Goose of Zetland, Wern. Trans, iv. pt. i. p. 207. 



Greatest Speckled Diver, or Loon, Albin, iii. pi. 93. Will. Engl. 341. 



