220 AVKS : STEGANOPODES. — XXXIV. 



filaniontoiis pluiiu's ; many spctics crested. Ccnus one ; species 

 'Jo ; of most rej^ioiis, cliielly iiiliabiling rocky coasts, where they 

 a;e gregarious and voracious. 



346. PHALACROCORAX Rrisson. ((f}a\aKp6s, hald ; K6f)a$, 

 ravL'ii.) 

 a. Tail .if 14 li'atli.Ts. 



680. P. carbo (L.). Common Cokmokant. Siiac. IKar], 

 neck and helly bUie-black ; back brownish, streaked with black ; 

 young grayish ; sac flesh-color, heart-shaped behind. L. 3C. W. 

 14. T. 7^. B. 2^. Northern regions, S. to N. J. (En.) (Lat., 

 coal.) 



aa. Tail of 12 feathers. 



681. P. dilophua (Swainson). Double-Ckested Cor.moraxt. 

 Glossy greenish black; back and wing coverts slaty brown; adult 

 with two curly black lateral crests ; sac convex or straight-edged 

 behind, yellowish. L. 33. W. 13. T. 7. N. Am. ; our common- 

 est species, (bis. twiee ; Xo'0or, crest.) 



682. P. mexicauus (Brandt). Mexican Cormorant. Brown- 

 ish black ; back slaty ; gular sac orange, white-edged. L. 24. 

 W. 10. B. 2. S. W., N. to S. 111. 



Family CXXXIV. PELECANID^. (The Pelicans.) 



Bill very long, rather slender, straiglit, grooved throughout, with 

 a daw-like liook at the end ; the broad space between the branches 

 of the lower jaw occupied by a huge membranous sac ; nostrils abor- 

 tive ; wings very long ; tail very short, of 20 or more feathers ; 

 feet short, stout. Skin of breast and belly with large air-cells be- 

 neath it, so that the body is rendered better able to rtoat. 'I'liese 

 air-cells occupy the usual position of the fat cells. Se.xes alike. 

 (Jenus one; s])ecies 6 ; found in most warm regions. Gregarious, 

 greedy fish-eating birds, clumsy on the wing. 



347. PELECANUS Linnaeus. (irtXtKav, pelican.) 



a. Tail-feathers 24 ; lowor j;iw feathered. (Cyrtopelicanus 'Rvich.) 



tJs.}. P. erythrorhynchos (Imelin. White Pelican. ^Miite 

 with black on wings and some yellowish ; pouch reddish or yel- 

 lowish. L. 60. W. 24. B. 12. N. Am., abundant .S. and \v., 

 often inland. Farther S. occurs the Brown Pelican. /*. J'u.^cus L., 

 ehielly dusky grayish in color. (€'pv6i)6s, red ; (ivy\os, beak.) 



Family CXXXV. FREGATID.^. (The Man-of-War 



BlRI>8.) 

 Bill long, rather slender, straight, ."strongly hooked at tip. Gular 

 sac moderate. Wings very long ami pointed ; tail very long, deej)ly 

 forked ; feet very small, the short, feathered tarsus very short ; 

 the webbing narrow ; middle claw pectinate. 



