W< ' 



SULID^ — THE GANNETS — SULA. 



171 



A> Malar region, with sides of chin and throat, feathered ; a narrow strip of naked skin down the 

 middle line of the throat. (Dysporus.) 



1. 8. bassana. Legs and feet blacki.sli (in the dried skin). Adult: White, the reniigcs brown- 



ish dusky, the head and neck above washed with buff. Yuuuy : Uusky, streaked or speckled 

 with white. Wing, 19.50 inches ; tail, lO.(M) ; cuhuen, 4AX) ; tarsus, 2.35. Hab. Atlantic 

 coast of North America, south, in winter, to the (Sulf of Mexico; Europe. 

 B< Malar re^^ion, with whole chin and upper part of throat naked. (Sulu.) 



2. 8. cyanops. Legs and feet reddish. Adult: White, the greater wing-coverts, aluhe, pri- 



mary coverts, and remiges dark sooty brown ; tail sooty brown, the middle feathers and 

 ba.ses of the others whitish. Young : Head, neck, and uijjier jiarls dusky ; lower parts 

 white, the flanks streaked with grayish ; middle of the back and u])])er ))art of the I'ump 

 streaked with white. Wing, 1(5.53 inches ; tail, 8.42 ; culmen, 3.9(5 ; depth of bill tiirougli 

 base, 1.44 ; tarsus, 2.02 ; middle toe, 2.88 (average dimensions). Huh. Coasts and islands 

 of the South Paciticand various intertropical seas ; Bahamas and Florida. 



3. 8. leuoogaatra. Feet greenish or yellowish. Adult : Head, neck, breast, and upi>er parts 



dark .sooty lirown ; the head and neck hoary grayish in ohler specimens, sometimes nearly 

 white anteriorly ; lower parts ])osterior to the breast white. Youug : Nearly uniform sooty 

 brown, lighter beneath. Wing, 15.72 inches ; tail, H.23 ; culmen, 3.74 ; depth of bill 

 through base, 1.24; tarsus, 1.71 ; middle toe, 2.59 (average measurement.>i). I/nb. Coiusts 

 of tropical and subtropical America, north to Georgia. 



4. 8. piscator. Legs and feet always reddish. Adult: White, the head and neck tinged with 



bulf, the sliafts of tlie tail-feathers straw- or cream-colored, and the n-miges hoary slate. 

 Youug: AiKive, sooty brown, the remiges and rectrices more hoary ; head, neck, and lower 

 parts light smoky gray. (Colors e.xtremely variable, sciircely two specimens being exactly 

 alike.) Wing, 15.04 inches ; tail, 8.93 ; culmen, 3.2(; ; deiitli of bill through ba.-<e, 1.07 ; 

 tarsus, 1.34 ; middle toe, 2.25 (average measurements). Hub, Intertropical seas and coasts 

 north to Florida. 



111! 



Sula bassana. 



THE COMMOH OAMHET. 



rrtrmnuH baminnuii, I-INN. S. N. I. 1758, 133 ; od. 12, I. 17«6, 217. 



.Siilii liaminii, UitLss. Orii. VI. 17«o, M'i. — HosAr. Synop. 18i»8, no. 350 ; Consp. II. 1857, 1«5.— 



.N'rrr. .Mum. II. 1X34, 4M. — Aii>. Orn. l?iog. IV. 1838, 222 ; Syiiop. 1830, 311 ; 1$. .\ni. VII. 



1814, 41, pi. Vi:>. - Lawu, ill Biiinl's I!. X. Am. 18.''i8, 871. - HAiiin, Cat. N. Am. H. 18.W. no. 



017. — CoiK.s, Key, 1872, 2!t8 ; Check List, 1873, no. 624 j 2d cd. 1882, no. 740. — Kiugw. Norn. 



N. Am. 15. 1881, no. (i.lO. 

 Siih amcriciina, IIonat. Conip. List, 1838, 60. 

 I'rlininuH uMculiiliiH, (iMK.i.. S. N. I, 1788, 57!> (young), 

 Siila iilhi, Mk.ykii, Tiisch.'iib. II. 1810, 582 (ttdult). 

 Sula major, HitKn.M, Vtig. Deutschl. 1831, 812. 



11 All ('oa.H(s of the North Atlantic ; in America, south, in winter, to the Gulf of Mexico. 



Sr. CuAii. Adult : Prevailing color while, the head and neck, excejit underneath, more or less 

 •Ircply liuir ; remiges browiii.><h dusky. " Mill pale bluish gray, tinged with green toward the base ; 

 th<' liiii'4 on the upper niandilile blackish blue ; the bare space alioiit the eye and that on the throat 

 lilac'k'^h blue ; iris while ; tai-si, toes, and webs brownish black, the bands of narrow si'iitellie on 

 tile tarsus and toes light greenish blue ; claws grayish white" (.ViimndN).* Yi>vnij,Jtr»t plumage : 

 Iba.l, iicik, and upper jiarts dark grayish brown, relieved liy small wedge-shaped white sjiots on 

 till' lipi of the feathers, except the remiges uiitl tail-feathers, these markings partaking more of the 

 diameter of streaks on the head and neck ; lower ]iarts whitish, the feathers edged with grayish 



' Tlic^ following nro the fresh colors of n fine ndiilt killed in ClicsajK'akfl Ray, antl sent in the flesh to 

 till' Nationiil Miisuuni : Dill pale glaiiioiis gray, witli sulcus, edges of niaiidilili's, lores, etc., dull lilar. 

 l>liiik ; iris jwle yi'Uow ; rylids dull liKliI MiH' ; IVct dull slati-, with a sliarply-ilefnied narrow stri|ie of 

 aiiplcKi'mi nlong top of each toe, and I'liiluwiiig the course uf each tviulun along the front of the tarsiis. 



'•.'ii^. 



■ i .!v. ■■■;,-: .J .Miil 



