192 



L0N(>-W1NGED SWIMMEHS — LONGIPENNES. 



Genus RHYNCHOFS, Linn.kus. 



lii/nchops, Linn. S. N. ed. 10, 1. 1758, 228; fd. 12, I. 1700, 228 (typ.-, Ji. nhjm, LiNN.). 

 Jlhijnehopn, Lath. lud. Oiii. II. 1700, 802. 



Chau. Same n.s tlioae of the family. 



The genus RhumlMps vowUxms. only three species, so far us known ; the It. nigra, peculiar tn 

 America; It. Jhinrostris, ViKii.i-., of tlie Red Sea, and A', ullikollis, Swaix.s., of India. We have 

 not been able to e.\uniinu either of the e.\olic species, but upon u.Mamining an e.vcelleut colored 



/f, »i /.'/'■"• 



jilate of R. alhicolliK in Gray and Mililiell's "(ienera of 15irds" (Vol. 111. pi. cl.\.\xi.), we are 

 unable to appreciate any point wherein it dilfers from the winter i)lumaj,'e of H. niijra. 



II 



Rhynchops nigra. 



THE BLACK SKIHHEB. 



lii/iicJiopsnlura, Link. .S. X. id. 10, I. Vi>», 228 ; ed. 12, 1. 1700, 228. 



niujiuhops nUira, Lath. lud. Oiii. II. 17i>0, 802. — Lawk, in Baird's I!. X. .Vm. IS.'iS, 808. — IUiiii>. 



Cat. N. Am. B. 18ri!t, no. 007. — C'ori'.s, Key, 1872, 321 ; Check List, 1873, no. 577 ; 2d nl. 



1882, no. S09; Birds N. W. 1874, 715. — Kinow. Norn. N. Am. B. 1881, r.u. 656. 

 lli/nchops/nlva, LiNN. S. N. I. 1700, 229 (young ?)• 

 lihyitchops cinrrnscinis, Srix, Av. Bnia. 1820, pi. 102 (young). 

 lUiiiiiclKipx birvimstn's, Seix, Av. Bras. Ls20, )d. 103 (ynuiig). 

 t llln/iie/wps iiiflunurus, "Boii;," SwAiss. Aiiim. in ilcmig. 183S, 310 (Demernra). 

 JiliiiHchops burcalis, Swains. 1. v. 



Had. Warmer i)arts of America, south to 4r)° S., north, along the Atlantic coast, lo New 

 Jersey (regularly), or even Maine (casually). Both coasts of Central America. 



Si'. Char. Adult : Forehead, lores, eheek.s, and entire lower parts, from chin to criasum, inclu- 

 sive, with axillars, lining of the wing, lateral upper tail-coverts, and ends of secondaries and inner 

 primaries (broadly), juire white ; rest of the jdumage, including upper parts in general, with 

 auriculai's, dusky black. Tail white, the shafts of the feathei-s brownish on the upper surface, the 

 intermediio grayish brown edged with white, the other rectrices mere or less tingeil at ends with 



