334 



XUUTII AilEiaCAX liiiins. 



1M333 



Gfnus PETROCHELIDON. ( auams. 



Pctrochclidiw, V\\\. Miis. llciii. isrid, IS')!, 47. (Type, lliruinlii mcldwijaster. Swains. 



•= ]'. KirdiiiMiiii, ScL. ) 



(li;x. CiiAli. Bill .-itoiit iiiul ilci'ii, soiiicwliiit iis iij Pnit/ne. Nostiil.f oiitirely snporior, 



o|)oii, without o\xTliiuij,'iiij( 

 iiifiiiliriuu' on tlif iiiiKU' (or 

 iipiicr) sitlo, but .soinowlmt 

 ovorliiiii},' liy short hristlo.s, 

 si'i'ii also aliiiiif liiise of iiiiicr 

 niaiiilililo and in I'hin. Lc<,'s 

 stout ; the tarsi .short, not ox- 

 I'L'oilinj; the middle too exclu- 

 sive of its eluw ; leathered all 

 round liirliasal third or I'ourth, 

 thoMjih no I'ealliers are insert- 

 ed on the posterior liiee. Tail 



I'allinjr slmi't of the closed winirs, nearly sipiare i^r slii^htly ennuyinatc ; the lateral leathers 



broa<l to near the ends, and not attenuated. 



Of tliis ejoims as rostrictod we liave but one .species in Xdith America, 

 nltli(iuj,']i several others occur in tlie AVest Indies iiiul the southern ^.arts of 

 liie continent. All have the back steel-blue, with concealed streaks of white ; 

 tlie runii), ciissuni, and a narrow nuchal btiiid, and usu.illy the foreiiead, 

 chestnut. 



^:^»\ ^ 



Pi irnrh, Inlon luiiifruiix. 



Petrochelidon lunifrons, R-vikd. 



CLIFF SWALLOW; EAVE SWALLOW. 



Iliriniilo hinifninx, .Say, I.eiifi's Exp. II, 18'J;!, 17 (Kocky Mts.). Cassin ; B:ir,wr,t!, X. A. 

 Oul. I, 18")7, !M, pi. V, no. (i8-7;! (i^Ks). - liAO!l>, Birds N. Ami. ISSS, 3119. — l-AW- 

 I!i:n(i;, Ann. N. Y. Eye. 1801, :!17 (I'iuiiniia I!. I!. ; wintcrK - Vi;iiiiii.r,, I'r. liost. N. II., 

 iSdi'. l.'^iil, •i7i) (iiii.uratiiiii ami liisl(iry). — l.iuin, I'r. I!. A. Inst. Woohvirli, IV, 18(54, 

 ]() (I'.r. I 'el. : nesting'). -Coiu'i;!! & Si-cKi.r.v, 1'. I!. I{. XII, ii, 184 (Wash. Terr.). — 

 Dai.i. & liANNisrii!, •J7!> (Alaska). -- Coon-.i;, Orn. Cal. I, 187(), 104. — Samii-i.s, 2r.(). 

 Pctriichdidon I. Baiiih, Heview, 18()4, ;288. //. o/ii/i.i; t'l.isro.N, 18-24. //. rcn/iiih- 

 liaiiKi, Afl). 18''4. Il.fiih-ii, l!ox. (not of Vii'.ii.i.or). — Acii. Orn iliof;. 1, pi. Iviii. 

 — lu. Birds Am. I, pi. xlvii. —Maxim. Vi\h. .lour. VI, 18r)8, 100. 



Sp. f'llAR. (Xo. lS,:i22 (J.) Top of lie;id i;lossy Mack, with fri-ccnish lustre; hack and 

 scapulars similar, hut rather duller, ami somewhat sln^akeil hy the appearance (jf the white 

 sides of the feathers, — the bases of the Icallicrs, however, beiuii; phnnbeous. Chin, throat, 

 r.nd sides of head, ehestnut-l)rown, this oxtcndinu: round on the nape as a distinct con- 

 tinuous collar, whirh is bounde(l postei'iorly by dull L'rayish. The (■h<'stniit- dark''st on the 

 ehin, with a lich ])urplish tinuc. Riunp above and on sides palci' chesliml (sometimes fail- 

 infr iido whitish). rp|ici- tail-coverts <.'|-avish-br(iwn, eilLfed will: p.'dcr, liLrliler than the 

 plain brown of the wiiiLis and tail. Forehead, for the li'iij^th of the bill, ercamy-white, 

 somewhat lunate, or exti-ndiiif,' in an acute aii<,de, a little over the eye ; .i very narrow 

 blackish frontlet ; loral region dusky to the bill. A patt-'h of (flossy bluek in the lower part 



