600 AIXJ5. 



Aduh. General colour above uniform slaty-black : sides of the 

 head, chin, throat, fore-neck and chest, as' well as the sides and 

 flanks, lighter than the back and of a dark smoky-grey ; a small 

 patch of white feathers above the eye ; breast and rest of under- 

 parts pure white. Tail blackishf^composed of 14 feathers. Some 

 specimens have an indistinct patch of white on the throat, and 

 possiblj' this m^y indicate the approach of winter plumage. Iris 

 ■wliite ; bill black, the basal portion of the mandible yellowish ; legs 

 and feet bluish and dusky in life. Total length about \) inches, 

 culmen from feathers on forehead to tip U-75, from gape to tip O'd, 

 greatest dt-pth of both mandibles at base 0-4, wing 4-5-4-9,tail Ivi, 

 tarsus 0"'J5, middle toe and claw 1-8. 



Young in, doiun. Dark smoky-black, inclining to grey on tlie 

 breast and belly. 



Hub. The same as that of the genus. 



a. Ad. isk. Coast of California. Salvin-Godman Coll. 



b. J ad. sk. Farallone Is. (F. Gruher). Salvin-(iodman (^oll. 

 (-■, d. (S ad. et Farallont; Is. { //'. E. Bryant). Salvin-Uod man Coll. 



pull. sk. 



e. Ad. .sk. S;in Miguel I. (C'ly?^. .S'.Fo/vze^y). Salvin-Godman Coll. 



f. Ad. sk. iSan Miguel I., spring. Salvin-Godman Coll. 



g. h. S ? I'd. sk. San Geronimo I., March 15. A. \V. Anthony, E»q. 



9. SIMOPvHYNCHUS. 



Type. 



Simorhvnclnis, Mfrmn in Ersch u. Gruher, Encyd. ii. 



pp. 4Uo, 4UG (1819) ; «p>. Auk, ii. p. .">41 (1885) S. cristatellus. 

 Tyioraniphu.-:, Brandt, BuU. Acad. ISt. Petersb. ii. 



p. 348 (18;j7) S. eristatellus. 



Ciceronia, Beickenh. Nati'trl. Syst. J'oy. p. iii (1852) S. pusiilus. 



Bill rather short, the length from the gape to the tip being much 

 less than that of the middle toe and claw ; breadth of uj)per mandible 

 at base about equal to the depth ; culmen curved downward 

 throughout, the ridge rounded ; featliering on the lores terminating 

 close to the posterior margin of the nasal opening. Head with 

 ornamental plumes. Inter-ramal feathering extending somewhat 

 beyond a vertical line drawn from the posterior border of the 

 nasal opening. Tail composed of 14 feathers. Metatarsus shorter 

 than the middle toe and claw. Size very small or moderate. 



Eanc/e. Coasts of the North Pacific and Bering Sea ; from Japan, 

 the Kurile Islands, and Kamschatka to the Commander Group, and 

 across Bering Sea to Alaska. 



Key to the Species. 



'. An elongate frontal crest of narrow dark brown 

 feathers curving forward. 

 n. Belly grey ; lore.s uniform brown ; a line of 

 elongate white plumes behind the eye only : 

 size larger, wing o>5 inches eristatellus, p. 601. 



