118 Eighth Supplement to the A. O. U. Check-List. ane 
Jan. 
Genus MERGUS Linnezus. 
Mergus Linn. S. N. ed. 10, 1758, 129. Type, by elimina- 
tion, Alergus albellus LINN. 
[131.1.] Mergus albellus Linn. 
Smew. 
Mergus albellus LINN. S. N. ed. 10, 1758, 129. 
[B 614, C—, R—, C—.] 
Groc. Disr.— In summer, northern Europe and Asia; in 
winter, south to the Mediterranean, northern India, China and 
Japan. Accidental in northern North America. (Cf SALVADOoRI, 
Cat. Bds. Br. Mus. XX VII, 1896, 467, 468.) 
Genus CASARCA Bonaparte. 
Casarca Bon. Geogr. & Comp. List, 1838, 56. Type, Anas 
rutila PALL. = Anas casarct LINN. 
[141.1.] Casarea casarea (LINN.). 
Ruddy Sheldrake. 
Anas casarca LINN. S. N. ed. 12, III, App. 1768, 224. 
Casarca casarca ALLEN, Auk, XIII, 1896, 164, 243. 
[ B—, C—, R—, C—.] 
Groc. Dist.— Southern Europe and southern Asia, south to 
northern Africa. Accidental in Greenland, Iceland, and the 
Scandinavian Peninsula. (Cf ALLEN, Auk, Z ¢.) 
[171.1.] Anser fabalis (Laru.). 
Bean Goose. 
Anas fabalis LatH. Gen. Syn. Suppl. I, 1787, 297. 
Anser fabalis SALvAD. Cat. Bds. Brit. Mus. XXVII, 1895, 99. 
[B—, C—, R—, C—.] 
Geroc. Dist.— Northern Asia, eastward into northern Europe ; 
in winter south to southern Europe and northern Africa. Acci- 
dental in Greenland. (C/ Satvaport,zc.) 
