78 NORTH AMERICAN BIRDS. 



2.30-2.85. Eggs 2.50 X IGl. 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. 

 h\ Tail-feathers 12. 



&. 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 (J) : Head and neck grayish 

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

 parts brownish, darker laterallj^ and j^osteriorly ; gular sac yel- 

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

 throat, foi-e-neck, chest, and breast paler, sometimes quite white, 

 or much mixed with this color. 

 d}. Nuptial crests chiefly or entirely black. 



e\ Length 29.00-3.3.50, 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 2.36x1-48. Hab. South Atlantic and Gulf 



States, and lower Mississippi Valley, north to southern 



Illinois. 



l\%a. 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 winter) to California... \l^b. 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).. 118(7. P. 

 dilophus albociliatus Ridgw. Farallone Cormorant, 

 cl 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 (f) ; Similar to the preceding, but throat, fore-neck, 



