554 CLASS AVES. 



latitudes ; build, nevertheless, in the rocky coast of 

 England, and Scotland, and visit France in the depth 

 of winter. The U. Lomvicii Brunnich. Choris, Voy. 

 t. 20. 



Col Grylle, L. Vieill. Gal. 294. 

 Choris, Voy. Round the World, pi. 22. 



Smaller than the last ; black, with the top of the 

 wings white.- It is sometimes marbled with white 

 all over, and is then C. Marmoratus, Frisch. Sup. B. 

 pi. 185. Edw. 50. Pennant Arc. Zool. II. 22. 

 Some even are seen altogether white. C. LacteoluSy 

 Pal. 



The Grylle Scapjdaris, Leach ; and U. Scapularis, 

 Steph. The young is U. Balthica, and U. Grylloides, 

 Brunnich. The White Guillemot, Lath. Chloris, 

 Voy. t. 22. 



Brunnich'' s Guillemot. Uria Brunnichii, Sabine. 

 Choris, Voy. Round the World, pi. 21. 



Head, black ; neck, above, back and wings, sooty- 

 brown ; secondaries, tipt with white ; beneath, Avhite ; 

 from eye to hind head, the feathers divided. Davis's 

 Straits. 



The U. Troile, Brunnich. The U. Francesii, Leach. 

 Shaw, Zool. xii. t. 62, f. 2. 



White-lined Guillemot. Uria Lachrymans, Lapil. 

 Ibid. 23. 



