columbidjE—columbin.E: arboreal pigeons. 



711 



Mexico, and Arizona ; a dark, riclily colored Pigeon, common in the valley of the Lower Rio 

 Grande during most of the year. Nest in trees and bushes, of twigs, grasses, and roots, well- 

 formed for a Pigeon's ; egg single, in all instances observed in the U. S., equal-ended, glisten- 

 ing white; averaging 1.55 X 1-10; laid mostly in April, May, but also irregularly in other 

 months. (C. erythrina of previous editiims of the Key — a name I used to avoid saying 

 " fiavirostris " for a bird whose bill is not yellow, though the red may fade to a dingy yellow- 

 isli in dried skins.) 



C. leucoce'phala. (Gr. Xfv/co'j, leucos, white; Kecf)a\rj. }:ephale, Iiead.) White-crowked 

 Pigeon. Adult $ 9 • D'H"'^ slaty, paler below, the quills and tail-feathers darkest. Whole 

 top of head pure white ; hind neck above ricli maroon-brown, lower down and laterally metallic 

 golden-green, each feather black-edged, giving the appearance of scales. Bill and feet dark 

 carmine or lake red, tip of former bluish-white; bill drying dusky with yellowish tip, feet 

 dingy yellowish. Iris yellow or white. Length 13.00-14.00; e.\'tent 23.00; wiog7.50; tail 

 5.75. 9 *'"ly duller than $. West Indies aud Florida Keys. Nest in trees and bushes, of 

 twigs, roots, and grasses; eggs 2, wliite, 1.45 X 1-05. 



C. squamo'sa. (Lat. squamosa, scaly ; squama, a scale.) SQUAMOUS PiGEOX. Adult ^: 

 Head, neck, and breast rich viuous ; no white on head ; sides of neck metallic violet, each 

 feather distinctly edged with velvety maroon ; general pliniiage dark plumbeous, scarcely 

 paler below; quills with narrow light edgings; tail dark slate; bill lake red, tipped with yel- 

 lowish white; bare skin round eyes dull red with a yellowish bloom; iris with scarlet inner 

 and golden outer ring ; feet lake red ; claws dark horn color. Length about 14.00 ; wing 8.50; 

 tail 6.00; bill 0.62; tarsus 1.08. 9 similar, rather smaller and duller. Young: brown, with 

 rufus chestnut tips of the feathers. West Indies, except Jamaica and Bahamas ; casual at 

 Key West, Florida, one specimen, adult 9, Oct. 24, 1898 (Auk, July, 1899, p. 272). 

 C. corensis, Temm. 1813, nee Jacq. 1784. C squamosa, Bonn. Tabl. Ency. Meth. i, 1790, 

 p. 234. 



ECTOPIS'TKS. (Gr. eKTonicTrrj^, ektopistes, a wanderer; very appropriate.) PASSENGER 

 I'lcEONS. Tail long, eijuul to wini,^s, ('uiieate, of 12 tnpering acuminate featliers, ])arti-colored. 

 AVing acutely pointed 

 by first 3 primaries, 

 with bhick spots on 

 coverts. Bill small, 

 with culmeu less than 

 half the head, short 

 gonys, feathered far 

 forward between the 

 rami. Tarsi short, 

 feathered part way 

 down in front, where 

 scutelhite, but not in 

 one regular row of 

 scales. Lateral toes 

 unequal. Sexes un- 

 like. 



K. Ill injrato'rius. 

 (Lilt. i>ii[iratorius, mi- 

 gratory. Fig. 482.) Passenger Pigeon. W^ild Pigeon. Adult (;J: Upper parts, includ- 

 ing iiead all around, slaty-blue, bright and pure on liead and rump, shaded with olivaceous- 

 gray ou back and wings; back and sides of neck glittering witli golden and violet iritlescence ; 

 wing-coverts with velvety-black spots. Below, from throat, light purplish-chestuut, paler 



Fio. 482. — Passenger Pigeon. (From Tenney, after Wilson.) 



