27S NORTTT AMERICAN' BIltDS. 



ami u'l-iMtcr coverts lu'dwiiisli-lilack, tiiiprcil willi riiliiiis. iiml lii'niully tipped anil ci-osscmI, 

 with sharply tlclined liands ol' pure while, dl' wiiirh '.here ai-e dii si.'uoiidaries aliout six 

 cxjiosed (iiieliidiiij.' the terniiiial liaiid) : primaries ami iheir eoverls deep li!ael< (liiiL'ed 

 anterior to their eiiiar|.'iiiaticiii with riil<)us), lipped with pure white, ami havint; sput- ol' 

 white on outer wel's. Itiiiii[) and np|ier tail-enverls lirowiiisii-lihieU, with indistinet trans- 

 verse hands 1)1' while, the hitler shar|ily tipped with the same. Tail clear Inwvnish-hlai'k 

 sharply tipped with white, and with aliout live sharply detined hands ol' ihe same, ahout 

 ..'!!) of an ineh iu width. I'nder surl'aee of seeondaries and ]iriniaries white to near the 

 ends, whe e they are hlaek ; the tijis, however, anaiii white: tin.' white portion ei'ossed 

 hy reirular transverse hands, those where the white is pinest lieinj;' li:.;ht rufous, hut as 

 the white .shades toward the hlaek they heeome dushy : llie rufous liars are. however, hor- 

 dered with dusky. Fil'lh ipiill lonirest; tiiird and fourth louLTer than si.\th; seeoiid a little 

 shorter than sixth : first intermediate hetwei'ii ninth and tenth. Wing, I'J.oO; tail, 8,(11); 

 tar.su.s, 2.'M; middle toe, l.-ld. 



Younij. Predoniinaiini; color, hlaekish-lirown ; this existin;.,' on under i>arls in larire, 

 conlluent sagittate spots, which are longitudinal on throat and juguluni, and more trans- 

 verse on sides, abdomen, tihiiu, and lower tail-coverts, the ground-color of lower parts 

 being iliiU ochraceous. The head and neck, all around, iirc.senting a iinitbrm, streaked 

 appearance, the edges of th<! feathers being ochraceous, but the black far exceed- 

 ing this ill amount. Interscapulars and scapulars bordered with rusty nilbus ; wiiig- 

 eoverts more broadly burdcred with ochraceous, and with much concealed dull white 

 s]iotting; le.sser wing-coverts, with a strong wash of rich dark rufous; seeondaries tipped 

 with while, and crossed by two or three (exposed) broad bands of dull ashy ; primaries 

 brownish-black, narrowly tipped with white, and with ill-delined n'strieted spots of the 

 same on outer webs, Hninp iiniforni blaekish-lirown, feathers faintly bordered with rusty ; 

 upper tail-eoverls tipi)ed and barred with white. Tail brownish-black tipped with white, 

 and cros.si'd with live narrow bands of dull light ashy. Lining' of wing dull, ilingy oehra- 

 conus, with luimcrous transverse bars uf brown; tburth ipiill Imigest ; thii-d shorter than 

 fil\li; .second longer than sixth ; lir>t equal to ninth. Wing (male, 10,.")7'J. Fort Tejon), 

 12.00; tail. S.4II; tarsus. 2.S2 ; middle toe. I.;!5. Female (4,.-)2(), Santa Clara, Cal. ; Dr. 

 (Joojier), wing, hi.dit; tail, i),00; tarsu-s, 2,i>(); middle toe. I..j2. 



Il.Mi. Facilic. and southern portion of the middle Provinces of the United States; 

 Mexico. 



Localities (|iioted; Texas (San Antonio, winter), (I)iiksseh. Ibis, 1800,325); Arizona 

 (Coi-K?, P. A. N. S. 18GG, 9) ; city of .Mexico (Set,. & S.vi.v. P. Z. S. 18G9, 364). 



LIST OF SPKCIMKNS KX.\.MI.NKD. 



National Museum, 4; Philadelphia Academy, 4; Cab. G. >i. Lawrence, 1; R. Eiilg- 

 way, 2. Total, 11. 



Measiiremoiis. 



AViug. 12.110-13,00; tail, 8,75- "J.JO; eulinen, .7S-.'J0; tarsus, 3.00-3,12; middle toe, 

 1,40- 1„")0. 



The ymiuif of liio liutiit r/ft/mis diflers must renmi'kiil)ly t'roiii tliiit of 7/ 

 linnitnx; the iiattcni of cnluriition appears scarcely the sam(>, I'or tlic nelira- 

 coous on outer webs of primaries, anterior to their emaruination, — wliicli is 

 a feature distiii^miishiii^ tiie immature /iinutiis from all other Jlithvs, — is iu 

 the present liiril almost olilitei'atod by the extension of the dusky. 



Hahits. TIk! I!ed-slioiildered Hawk lias an extended distribution, beinLt 

 found more or less abundant from Florida to Nova Scotia, and from the 



