280 NORTH AMEHICAN lilKDS. 



a 1 arred tail, ciitiroly coiiliimons l)]ack abovo, i)lain AvI.ito throat patcli, mid 

 other luinor dillbrences, hosides liaviiig a (luite dilltMont youii- iduiua-o.' As 

 to tliG young pliunanc of vav. /Hras,nius, ' cannot find any charai'ter by 

 whicli it can witli certainty be distinguished from that of var. ca/urus. 



Var. ralnrna, Cassin. 



WESTERN RED-TAIL; BLACK RED-TAIL. 



Bii/ro oihirus, I'assin, Pioc. Acail. Nat. Sr. I'liil. VII, ■2S\, ]$:,',; liirds N. Am. \Sr,S, 22. 

 - SiKicKi.. Oni. Syn. 1, ;J8, ]S;w. - ('(M-ks, I'ml. Oiii. Ariz. )>. 8, 18(i6. -- (fi'i.vv, 

 Ilaiiil List, 1. -, ]8ti!). Jill/,;, iiwiiliiiiii.i (iii)t uf NiriAi.i, 1^, C.vs.si.s, liinl.s N. Am' 

 18.^.8, 2ti.-N|-,wit. P. K. H. l{,.pt. VI, iv, ]8sr. - Hi:i:i:m. P. I!. 1{. Kept. VII,* 31^ 

 ]Sn7.-('.H,i.. A: Sick. P. li. It. I!,.,,t. XII, ii, 147, 18«0. - Cnrivs, Pro.I. Orn. Aiiz. 

 p. 7, lSti(i. - JJii/,„ sii;ii,i,s,ini (not of liuNAl' !), Cass. U. Cal. & Tu.\. p. 98, ISoi. 



Sp. fiiAri. A,h,/f. Similar l,i var. l,omili\ hut darker, with more nilbus iin.l blackish 

 in tho pliimaj;,': til.i;.. always. ;m,l Ihmks ami cris^um usually, harrwl with rufous; throat 

 with the (lark streaks sulliiseil aud widen.'il. s.i as lo form the prevailin,!,' color. Tail with 

 indieatim.s of transverse bars anterior to the usual suhterminal one, these varyinu' in num- 

 ber and distinctness with the individual. Whole pluma-o .sometimes .soo'tv black, the 

 breast, however, covered by an appreeiably paler patch, usually of a som<>what" rufous 'hue. 

 Tail sometimes with rejrnlar ami continuous nairow bands to the verv iia.se. 



Voumj. Very nmch darker than that of var. horealis. the j-attern beiufr similar, but the 

 dark markings nmch e.x]iandcd and more numerous; tibiiu with heavy transverse spots of 

 dusky. 



Had. W.'stern r..frion of North America, from the Rockv Mountains to tho Pacific- 

 soutli into Mexico; West Indies (Jamaica ami Cuba, Mns. S. T.). ' 



Locahties quoted: (?) Xalapa (Sci.atki!. P. Z. S. IS.",!), ;5GS) ; Oaxaca CSci,. P Z S 1859 

 ;i8-' (?)ruba(CAn.Journ. II. Ixxxii; Gixm,. Hep. 1SG5, 223 ; resident. - R boreali.',"'): 

 S. ]•-. Texas (Duksskk, Ibis, ISO.J, 324). 



MST OF SPKCI.MEN\s| KXAMINKP. 



National .Museum. 41 ; Phila.lclphia Academy, IS; Boston Society, C; Coll. G. X. Law- 

 rence, 2 : K. Ridyway, ."i. Total, 7.j. 



in Kencral appcaranrc, but dilfcrinK in the followbijj particulars : Tail deep uii.bor, with ah„ut 

 twclv.. or thirteen narrow bands of bla.k, and v.tv narrowly tipped with whitish • lateral lower 

 parts thickly .sp,.ttcd with blackish, , and tibia^ spotted trausvcrselv with the same- lower tail- 

 covcits with distant bars of blackish. Tppcr tail-covrts hla.'kisli-brown barred with white this 

 not touching the .sliaft. 



H.Ui. Central America an.l .Southwest..™ Mexico ; Costa I{ica. VeraKna, and Tres Marias 

 bslands (Mus. S. I.). 



Lo,.alitics: (?) Guatemala (.Sc,,. Il,is, 1, 217, li. hormlis) ■ Costa Kica (Lawii. IX, 133 "var 

 miiii/iniK.i"). 



Lis/ nf Sjirrimni.-i Kxiimineil. ■— Xatjoiial Mnscuin, 4. 

 Measureiiients nmch the same as in the other varieties. 



