426 NATATORES. URIA. Buiack GUILLEMOT. 
The bill of the younger birds is shorter, and the notch at 
the tip not so well defined. ‘hey are also generally 
inferior in size. 
Young: Fig. 2. represents the young when about a week old. 
BLACK GUILLEMOT. 
Ura Grytce, Lath. 
PLATE LXXxX. 
Uria Grylle, Lath. Ind. Orn. 2. 797. sp. 2.—Faun. Amer. Boreal. 2. 478. 
No. 237. 
Colymbus Grylle, Linn. Syst. 1. 220. 1.—Gmel. Syst. 1. 584. 
Uria scapularis, Steph. Shaw’s Zool. 12. 250. pl. 64. 
Cephus Grylle, Flem. Br. Anim. 134. No. 215. 
Uria minor nigra, Columba Greenlandica, Briss. Orn. 6. 76. 3.— Ratt Syn. 
121. 6.—Wiill. 245. 
Le Petit Guillemot noir, Buff: Ois. 9. 354. 
Guillemot & miroir blanc, Temm. Man. d’Ornith. 2. 925.—Lesson, Man. 
@Orn. 2. 361. 
Der Schwarze Lumme, Bechst. Naturg. Deut. 4. 586.—Meyer, Tasschenb. 
Deut. 2. 446. 
Greenland Dove, or Sea Turtle, Albin’s Birds, 2. t. 80.—Wiil. (Angl.) 
326. t. 98. 
Black Guillemot, Penn. Br. Zool. 2. 521. No. 236.—Arct. Zool. 2. 437.— 
Lath. Syn. 6. 332. 3.—Id. Sup. 2. 265.—Lewin’s Br. Birds, 6. pl. 221.— 
Mont. Ormnith. Dict. and Sup.—Bewick’s Br. Birds, ed. 1826, 2. pt. 170. 
—Steph. Shaw’s Zool. 12. 250. pl. 64.—Faun. Amer. Boreal. 2. 498. 
No. 237.—Low’s Faun. Orcad. 104. 
Black Scraber, Flem. Br. Anim. ]. 134. No. 215. 
Guillemot, Rennie’s Mont. Ornith. Dict. 233. 
Uria minor striata, Briss. 6. 78. 4. 
Uria Balthica, et Grylloides, Brunn. Nos. 114. 115. et 116. 
Uria lacteola, Lath. Ind. Orn. 2. 798. sp. 3. 
Young and 
Old, in Colymbus lacteolus, Gmel. Syst. 1. 583. 
Winter | Spotted Greenland Dove, Edwards’ Glean. pl. 50. 
plumage. 
Spotted Guillemot, Penn. Br. Zool. 2. pl. 83. No. 236.—Lath. Syn. 6. 334. 
Mont. Orn. Dict.—Bewick’s Br. Birds, ed. 1826, 172. 
White Guillemot, Lath. Syn. 6. 335. 
Provinciat—Greenland Dove, Sea Turtle, Scraber, Toist, Taiste, 
Puffinet. 
From the short description given by Cuvier of: his genus 
Cephus, in the “Regne Animal,” it is evident that the Rotche, 
or Little Auk of some of our writers (Alca Alle, Lath.), is there 
considered to be its typical representative, and not the Black 
