DARTERS — CORMORANTS 39 



coverts without lij^ht-colored patch, but rump with gray or whitish patch 

 on side. Whig: r...S(M).38, tail llOI-HA'A, forked for .li-.{)2, bill .5S-.r)5. 



Distribution. — From islands of western coast of Mexico north tt) San 

 Diego, California. 



ORDER STEGANOPODES : TOTIPALMATE 

 SWIMMERS. 



(Families Anhixgid.t:, PHALA(;KO(jORAciDJi:, Pelecaxid^., 



FKKGATIDiE, ETC.) 

 FAMILY ANHINGIDiE: DARTERS. 



GENUS ANHINGA. 



118. Anhinga anhinga {Linn). AnhincxA. Water Turkey. 



Bill straight and sharp ; form extremely slender, tail long- and rigid, 

 without upper coverts. Adult male in breeding phanage : glossy greenish 

 black ; back of head and sides of neck Avith long- white or grayish filaments, 

 and back of neck with black hair-like mane ; shoulders and base of wings 

 finely spotted with gray, wing crossed with Avide gray band ; back striped 

 with pearl gray ; tail tij^ped with brownish. Adult male in winter : head and 

 neck without elongated filaments. Adxdt female in breeding plumage : 

 similar to male but head and neck brown, throat and breast huffy. Young : 

 lower back, tail, and quills black ; head and rest of body brown except for 

 huffy or whitish throat and breast, and gray streaking on wing coverts. 

 Length : :]2.'J5-:;( ;.()(), wing about 14. tail 11, bill 0.25. 



J^istribution. — From tropical Amei'ica north in Lower Sonoran zone to 

 South Carolina, southern Illinois, Texas, western Mexico, and casually to 

 Kansas. 



FAMILY PHALACROCORACIDiE : CORMORANTS. 



GENUS PHALACROCORAX. 



General Characters. — Bill slender and abruptly hooked at tip ; mouth 

 opening back under eye ; skin around eye and at-ba.se of lower mandible 

 naked ; head smootli or variously crested. 



KEY TO SPECIES. 



1. Tail of 14 feathers, head never crested .... penicillatus, p. 41. 

 r. Tail of 12 feathers, head witb or without crest. 

 2. Flanks without white patch. 



o. Size large, wing over 1 1. a .slender crest over eacli eye in breeding 

 plumage. 



4. Crests "entirely black dilophus. j). 10. 



4 . Crests mainly wliite. 



5. Larger, wing l.'J or more. Breeds in Alaska. 



ciiicinatus, i>. 40. 

 5'. Smaller, wiug l.'J or less. Breeds in Oregon and ('.ilifornia. 



albociliatus. p. 40. 

 'V. Size sm:ill. witig under 10. .")(), Iie.id without crests. 



mexicanuB, p. 11. 



