FALCOXID.E — Til K l''ALC(>NS. 



118 



Had. (Iri'cnland, nml oonliiu'iu of Noitli Amoripa, north of Hudson Bay (broclinLr in 

 laltcr ri'fiioii). Of ii-ri';;iilai' occuitcimh! in wiulci' tiii'oiiLilKiiit llii! circumiiolar regions ; 

 Ural Motiiilaiiis (Evi:i!.sman) ; lii'hriii;j- s Stiail (I}annisti:i:). 



LIST or si'Krr.Mi.xs i:xA.Mrxi;n. 



National Miislmiih, "; Hostoii Socii'ty, 2; Pliilailelphia Acatloiny, 3; Xuw York 

 Miisc.'iini, G ; colk'ctioii of It. Itid^'way, 1. Total, 111. 



Viir. islandicufi, Svhim;. 



ICELAND OEBFALCON. 



Accipitrr falcn isjifmlicif-; iilMss, Oni. I, :i;)ti, 17ti3. Fii/ro isliDKlini.i, .Sail Miin. Trans. 

 Xll, ->2X, 1818. — Ti'.MM. Miiii. Oiii. i.t. X ; 17, i>t. iii, p. !» ; Tali. Mrtli. i>. 2, 18;!i;. — 

 FaI!i;i!, 1'io.1. Islaiiil. Oni. lti-2'2, ii. 2 ; Isis, 1827, 02. — liicii. k S. atn.>i. V. I). A. II, 

 27, 1831. — IIoY, Ma^'. Xat. Hist. Scr. 1, VI, 107. — Hamimk, Ann. Xat. Hist. II, 

 247 ; Uev. Zoill. 183!), 123. — HoNAf. Consp. .\v. p. 21. — Stimcki.. Oiii. Syn. I, 77, 

 IS.'ia. — Cas.sin', Hirils N. Am. 18')8, l;!. lliii-nfiikv iihitnUnix, (Iiiav, (iiii. I!, p.;! 

 (cil. 2, p. 4), 1844 ; Ilaiul List, I, 18, 18li!). /'(Am annlicaiis ishnidii'K.s-, Srm,i;(i. Kiit. 

 iiliiTs, p. 1, 1844. F"f(ii liiitiin'iis, Fahkk, Isis, 1827, 08. luiiro iiiirf<ilo\ Ki;y.si;i;ling 

 & Bi.Asiis, Wirbclth. Eur. j.. 1:5.'., 184(i. 



iSi'. CuAii. AihiV ( ^, Ti'olauil ; Xo. 12, Coll. (ieo. X. Lawri'iicc). Ground-color 

 of the plnnia,u:o dull while, ,u:ra<lua!ly bocomin;; .lonicwhat lilui.'<li posteriorly, tlii.s color 

 especially MoliccaliU; on the tail. »Vhole upper parts ero.ssed with hroad transverse 

 hands of dark phiinheous, these hands eoutin 'ons, and more than twice as wide as 

 the pale ones, except on the nii|)er lail-coveits and tail, where tlu" bands of the two colors 

 are in(U'e r(\t;ulaily delineil and about iMpial; in addition to the transverse bands, the 

 leathers anteriorly have luirrow boi'ilers of white. Tail with tlu? dark bamls twelve in 

 number; the teiininid jiale baud is pnri'r white than the others. The dusky phnnbeous 

 prevails on the primaries, and is unv,ariej;ate(l beyond the middle portion : the aulerior 

 half, howevci-. is nuuked with (]uadial(; rai;i;ed spc.ts, of a .Ui.ulilly yellowish-while ; all 

 are marfrined terminally with puicr while. Each feather of the lieail and neck with a 

 narrow nu'diiil streak of dusky, but the jreneral aspect abruptly li,i,diter than the back; the 

 streaks are more condeu.sed alouj: the upper and terminal portion of the ear-coverts. 

 Juij'ulum and breast with a meilial narrow si I'cak on each feather: abdomen wilh nmre 

 elliptical streaks; sides with circular and cordate spols, and Hanks and tibi;e with trans- 

 verse spots; li.wcr lail-eoverls with narrow shaft-streaks of dusky. Liniiej; of tlie win;; 

 with sparse narrow streaks of dusky; undi^r siu'faee of primaries wilh ■white prevailing.', 

 this, how(>ver, crossed by narrow bars of dusky, these nuud>eriiiu: about sixteen on the 

 longest. AVin,n--lbrinula, 2-.'5-l. Winpr, 1 1.00 : tail, 7.80; culmou, 1.00; tarsu.s, 2..'50 ; 

 luid.Ue toe, 2.(10. 



./'(('. (Xo. 20.:' I I, Iccl.iud). (Iround-color of head, neck, and lower parts. wliiU". 

 I'piicr surface irrayish umber-lirown, beeoimui; paler and moi-e •irayish on the tail; each 

 feather above sharply bordered (both webs, all round) with dull white. produi'in.Lf a 

 soniowhal sipiaimite ap])earance ; iu places, a few obsoleto hiiMcn spots of yellowish- 

 white Tail ashy-drab (feathers «;oiuewhat paler along edL'os). eros.sed with about eleven 



vol.. III. 15 



