FALCONID.E — TIIK FALCONS. 11)7 



Species and Baces. 



Common Cii.\I!A(tki!i*. A1)ovc iicii'ly a-"!!, lirromiiii^r white or whitish on ilic 

 hpiiil iiiiil tail, Willi ii laiye black pMch coveriii},' the lesser-covei-t region. Lower 

 Burl'ace couliiiuous |.ure white; a blaek spot on front of, and partly around, the 



1. E. leuciirus. A hirge hlaek patch on the Uning of the wniir, ni the reinon 

 of the [iriiuary coverts. First (luill very nuieh shorter than the tliird ; 

 second quill loMfrest. 



Black patch on lining of the wing restricted to the primary coverts; 

 lesser coverts, on outer surface, not consi)icuously bordered anteriorly 

 with white. 



Above deep bluish-ash, with the inner webs of the secondaries 

 appreciably paler, sonietinies iibruptly white. Wing, 11.00 - 12.0") ; 

 tail, 0.80-7.80; culnieii, .0r)-.80 ; tar.-<us, 1.20-1.50; middle toe, 

 .94-1.20. Hab. Tropical iind sulitropicid America . \a\: U ii c nrua . 



Above pale ash, witli the inner webs of tlie secondaries hardly, 



or not at all, ajiprcciably paler than the outer. Wing, 11.00- 



12.50; tail, 0.20-7.00; culmen, .70-.77; tarsus, 1.10-1.00; 



middle toe, 1.05- 1.08. Huh. Western Australia . var. au;t ^Za r )',s-.' 



Black patch on the lining of the wing extending over the whole of 



the lesser coverts ; lesser coverts, on the outside, conspicuonsly bordered 



anteriorly with white. 



Siunlar to var. fM-iV/ocw, except as above. Wing, 11.75- 12. liO ; 



tail, 0.30-7.00; culinen, .75 -.80; tarsu.s, 1.10-1.40; middle toe, 



1.15-1.25. Iliih. Southern Australia . . \-m. iti- r i plus? 



2. B. ceeruleuB. No lilack on lining of the wing. First quill u.sually 



longer than the third, never very nuieli shorter; i<e<'ond longest. Colors 



da:ker than in A', le.ncurns. 



Wing, 12.00; tail, 0.10; culmen, .75; tar.sus, 1.25; middle toe, 1.20. 

 No ashy tinge on side of breast. Ihih. Soulhcrn Kuiope and North 



Africa ." \-m: cvv ulcus} 



Wing, 9.50-10.70; tail, 5.40-5.75; culmen, .05 -.70; tarsu.s, 1.05- 

 1.10; middle toe, 1.00 - 1.10. Sides of the brca.st strongly tinged with 

 a.shy. Iliih. Southern Africa and India .... 



» Elanus Jiiu-iinix, var. cixi/lnris (Latham). Fukn a,fil!ni-is; L.vrn.— N. S. Walks, Draw. 

 I. No. 40, 1801. Circus axillaris, ViKii.l.. N. P. IV, 453. JC/uuus axillaris, Okay, Ann. N. 

 H. XI, 180. — III. Hand List, 1, 28, No. 2(il. Elaniis notatus, GorU), 1$. Aust. 1, pi. xxiii. 



Spcciiiirns cxamitiid. — Nat. Mas., -i ; lio.ston Soc., 1. 



'^ Khiiiiis Iriirurtis, var. srri/ifiis ((1in-|,n). Klaiius scri/ilus, C.ofi.n, P. Z. S. jil. X, 1842, 80. 

 — r.oNAi'. Ciinsp. 22. — Kaui', Mouog. Fale. in .Tardiiic's t'outr. (Irii. 1850, 00. — (!uAY, Hand 

 List, I, 28, No. 2ti2. 



S/iiriiiicus examined. — Mus. Comp. Zoill., Cainbridgo, 1. 



8 Planus rirriilciis, var. casriilcus (Dicsfontainks). Fii/co civruhus, Df.sfont. Mc'm. Ac. Se. 

 1787, 50;t, I'l. XV. Elanns cariilrim, SriilcKl,. Orn. Syn. I, ISn"), 137. Fuko viclniiniilerus, 

 Daim). Tr. Orn. 11, 1800, l.")2. K/aiius mehinoptcriis, Lkaco, Zoiil. Mi.sc. pi. cxxii. — OoiM.n, 

 H. Kur. pi. xxxi. — (!i!AV, Hand List, L 28, No. 2r)8. Fnh-o chnmsns, .Siiaw, Zoiil. VII, 200. 

 Elaatis rirsius, SAvni. Dcscr. Fgyp. pt. i, p. 08. FlanoidcscKsiiis, Vikii.l. Ene. Mutli. Ill, 1206. 



SpcriDirm examined. —'^ii\. Mils., 2 (Southern Kuropc). 



♦ KhiiiKsrirriilriis, var. minor (HoNAl'.V Falca rm'iferits, Lath. Ind. Oiii. 1700, 10. J Falco 

 siinninensis, Latii. Ind. Orn. Siipp. ISUl, 12. Fla.ius minor, Honai'. Consp. 18r<0, p. 22.— 

 Quay, Hand List, I, 28, No. 2,-.0. 



Specimens examined. — Am. Mas., N. V., 4 (2 India, 2 Africa^ ; Ho.stoii Soc, 4 (3 Juv.) ; 

 Mus. Comp. ZoiJl., Cainbridgo, 2. Total, 10. 



