344 



NORTri AMEUIUAN BIRDS. 



^'^^-- ■ " ISO;. 



Ilinni'ln l/iiitasuhin. 



SiM.M.:.M-s TACHYCINETA, r.vn. 



T<,r/n,,n„>„, Cah. .M„s. Urhu Ur.n, 18,1], 48. (Typr, //. /M„ssi„„, Sw.) 



r.FN. ('MAM, .Voslrils l„t,.n,l, ov..,Im„,,. or l,„n|pro,l int,.m«lly l,y in..Mn,l„.nt. M,<.ml,rnnP. 



Tiiisi with tlic tibial Joint covoivd l.y ovorlmii.i,'- 



iiiu' Ibiitlicis, lulliurciit. u siiort (li.stan<'<' nloMfr 



iiiMiM- liic<., about 0(|iial to middln too without 



'law. I,atonil toes o(|iinl. A<llicsioii of basal 



Joint or iniiMIc toe variablo. Tnil cniarfrinato 



> 1^ "Illy, oi-slio-hily i;,rl^,„l ; tbi-|< not t'x,;-i;\\w^ half 



\ an inch in depth. Color blue or ^-ccn above. 



with or without uu'tallic^ yloss ; with or witli- 



v,,„ „ . , , , '"" ''■'''"■ '■"'"!'• Kiitiivly while bonuath, 



Act nsnally in linlo.. of trc.s or ronks; r.^<r^ pun. while, unspotted. 



or this ,.ection there are two Nortli Aineri,;an .species, difleriiijr as follows 

 l-iotli l)eiiig <,'reeii above ami wliite lieiieatli : — 



Species. 



Plumn-e nbove .«,{) and v..|v.>ty wilhoiii mctalH,. .-loss. Side, of head <,paoe 

 nniiiud eyes, and whol.. under part.., while ; with the feathers all pliuubeou.s at 

 I'aso. iMMiiale duller in pliuna.Lre. Yoini- with ba.ses of throat-feathers L'rav to 

 roots. *' • 



T. thalassina. .Vbove velvety--reeii, with various shades and tin-es of 



violet and purple. '" 



Pluinnn-e above eonipaet, ami with ri,-h -.ven inetallin .jloss. Sides of head to 



line with eys like its upper part, lieiiealh while; tjie (i.athers of eliin and 



tIn-oat and nvuerally of erissuin, white to base. A ..oueealed .spot in ju-uluiu. 



J-oniale .hill.'r. Vouucf Avith bases of thmat-feathers pinv white to roots.' 



T. bicolor. Above inetallic-reen. Inside of wings aii,l a.xillars asli-,..olor. 



Hirundo bicolor, Vwah. 



WHITE-BELLIED SWALLOW. 



//mn,an hichr, V.kim,. (Us. .Am,. Sq.t. I, 181.7, Ol, ,.1. xxxi.-Arn, On, Hio-- I pi 

 .xevui. -In. Muds Am. I, pi. .xhi. -Cassin. - linKWKii, N. ,\m. ()„1. I, isr??, loi) 

 pi. IV, li;;. 17 (e.i,'j,'s). - I,r:.Miu.vi:, Avcs de Ciihn, LSod, 4(>, lam. vii, \v, '•> - |i\,ri,' 

 nnils \. A,i,. ]S.-,8, :iin. - I.om,, l>r, 1!. A. Inst. Wo.ihviel,. IV. ]8ii4, h", (lir. c.j,,',,,' 

 Ilia; ii'-^ti»K)-— Jo.SKs, l!,.,niiida.s, :j((Scpt. 22, 1840). — t'ooi'i;i!.t.Si-eK,,i V p ]{ l; 

 II'P. XII, n, lS4.-I)A,,i,.t ManxisikI!, 27i) (.\laska). .Samiki.s, 2.-;7. - - c'mm'i-ii' 

 "ill. C'al. 1, 1870, 10(i. J'i/i-»c/it-h;ij,it hiru/iir, Si'\,wKV., V.'/j.S 18.".7 ''()] -I,, IS",!)' 

 ■I.i4 (.\alap„V _ Sei.ATKii /c .Sai.vin, Ibis, IS.",!., 1:! ((iuatmnda). r„'h,a„r/„ /,/,.,X' 

 Cam. Mus. Hein. 1S.-;(I, 48 ; .lour. Oin. 18,1(i, 4 (C.ilia). - (!rM„,Arn, ,Ioiir. On, I8.il' 

 ;!--iO (.■..iiiiimii ill Cnba). /finnulo {rm-l,,/an^/n) hichn; Haiiii., liev. Am. 1?. lS.i4| 

 296. lliriimlo riri.li.i, Wn.s. llinuidu Iciicoijaster, .Stki-iik.ss. 



S,. CuAii. (;iossy inetalli- bluish-reen above ; ..nlirely white lieneath. Female duller 

 111 <'olor. I.eiijrili, (i,2.-, iii,.|„,,;;; „.|,,„,^ ,-0,). ,,,i|^.j,i5_ 



Young bird dull .sooty-gray above, mueh lik.. that of //. thalnH^ma ; but may rea.lily b.- 



