78 NORTH AMERICAN BIRDS. 



2.30-2.85. Eggs 2.50 X 1.61. Hab. Europe, together with portions 

 of Asia and Africa; Atlantic coast of North America, south, in 

 winter, to coast of New Jersey. 



119. P. carbo (LiNN.). Cormorant. 

 b\ Tail-feathers 12. 



c 1 . Wing more than 11.00. Adult : Greenish black ; back and wings slaty 

 brown, the feathers bordered with black. Nuptial plumage : On 

 each side of the crown, behind eye, a tuft of lengthened, narrow, 

 curved, somewhat loose-webbed feathers ; gular pouch bright 

 orange (in life). Young in first year (?) : Head and neck grayish 

 brown, lighter next to gular sac, darker on top and behind ; lower 

 parts brownish, darker laterally and posteriorly; gular sac yel- 

 lowish. Young, before moulting (f) : Similar to the preceding, but 

 throat, fore-neck, chest, and breast paler, sometimes quite white, 

 or much mixed with this color. 

 d 1 . Nuptial crests chiefly or entirely black. 



e\ Length 29.00-33.50, wing 12.00-13.00 (12.50), culmen 2.00-2.45 

 (2.25). Eggs 2.52 X 1-59. Hab. Northeastern North 

 America, south, in winter, to Gulf coast, breeding from 



northern United States northward 120. P. dilophus 



(Sw. & RICH.). Double-crested Cormorant. 



e\ Length 21.25-30.00, wing 11.20-12.50 (11.75), culmen 2.00-2.40 

 (2.17). Eggs 2.36 X 1-48. Hab. South Atlantic and Gulf 

 States, and lower Mississippi Yalley, north to southern 

 Illinois. 



USa. P. dilophus floridanus (AuD.). Florida Cormorant. 

 d?. Nuptial crests chiefly or entirely white. 



e\ Length about 36.00, wing 12.50-14.00 (13.70), culmen 2.25-2.55 

 (2.40). Hab. Northwest coast of North America, from 

 Alaska south (in wintei*) to California... 1186. P. dilophus 

 cincinatus (BRANDT). White-crested Cormorant. 

 e*. Length about 25.00-31.00, wing 11.75-13.00 (12.23), culmen 

 1.90-2.35 (2.15). Eggs 2.40 X 1-47. Hab. Coast of Cali- 

 fornia, south to western Mexico (Socorro Island).. 118c. P. 

 dilophus albociliatus EIDGW. Farallone Cormorant. 

 c 1 . Wing less than 10.50. 



Adult : Brownish black, with a white line bordering the base of 

 the gular sac ; mantle dull brownish slate, the feathers bordered 

 with black. Nuptial plumage : Head, neck, and ventral region 

 ornamented with scattered, small, short, white filamentous 

 feathers ; pouch brownish in life. Young : Head, neck, and 

 lower parts grayish brown, darker on top of head, hind-neck, 

 sides, and under tail-coverts, much paler (sometimes whitish) 

 on upper part of throat (adjacent to gular sac). Young, before 

 moulting (?) : Similar to the preceding, but throat, fore-neck, 



