238 COLUMBID^. 



Tollman {Richardson ^^) ; Nicaeagua, Matagalpa, San Eafael del Norte 

 {Richardson ^^). 



The Band-tailed Pigeon is resident in Arizona, New Mexico, and North-western 

 Texas; but in the Pacific States of North America and British Columbia it is a 

 summer visitor only, and it is of irregular occurrence in the States eastward of the Rocky 

 Mountains. 



In Mexico the species is widely distributed in the mountain-districts, and we found it 

 at Cohan, and on the Volcan de Fuego in Guatemala at an elevation of about 6000 feet. 

 It does not appear to have been recorded from farther south than Nicaragua. 



The nest, built of twigs, is usually placed on branches of oak-trees, but is said to be 

 occasionally found upon the ground. In Arizona but one egg is laid, while in Mexico 

 there are usually two. The food consists of berries and acorns, and the presence of 

 oak-forests widely affects the distribution of the species, since where acorns exist 

 C.fasciata congregates in thousands. 



7. Columba crissalis. 



Chlorcenas albilinea (nee Gray), Lawr. Ann. Lye. N. Y. ix. p. 135 *; Cab. J. f. Om. 1869, p. 211 '; 



V. Frantz. J. f . Orn. 1869, p. 370 '. 

 Columba albilinea, Salv. P. Z. S. 1870, p. 217 *j Zeledon, An. Mus. Nac. Costa Rica, 1887, p. 127'; 



Cherrie, Auk, 1892, p. 328 '. 

 Columba albilineata, Boucard, P. Z. S. 1878, p. 43''; Nutting, Pr. U. S. Nat. Mus. v. p. 498'. 

 Columba crissalis, Salvad. Cat. Birds Brit. Mus. xxi. pp. 245, 294 °. 

 Columba albilinea crissalis. Bangs, Pr. New Eagl. Zool. Club, iii. p. 23 ^°. 



0. fasciatcB eimilis, aed undique obscurior, tectricibus alarum majoribus et minoribos dorso nee uropygio 

 concoloribus. (Desor. maris exempl. typ. ex Eancho Eedondo, Costa Eica. Mus. nostr.) 



Eab. Costa Rica^, Rancho Redondo^ (Carmiol), Mojon, San Juan (v. Frantzius^), 

 Volcan de Irazu {Boucard '', Cherrie ^), Cot {Nutting ^), San Jose, Alajuela {Zeledon ^, 

 Cherrie % La Carpentera, El Berilla, El Salitrillo, Tres Rios, Azahar de Cartago, 

 Estrella, Cedral de Candelaria, Carrillo {Underwood, in litt.) ; Panama, Volcan de 

 Chiriqui, Chitra, Boquete de Chitra, Calovevora, Calobre {Arce ^ ^, Brown i"). 



This Pigeon differs from C.fasciata in having the anterior upper wing-coverts daric 

 grey, being uniform with the scapulars. In this respect C. crissalis resembles C. albilinea 

 of Colombia and Ecuador, but the abdomen and under tail-coverts are whitish (instead 

 of dark) grey ^- 



C. crissalis is confined to Central America, and is found from Costa Rica to Panama. 

 In the former country it is by no means plentiful on the low ground, and but a single 

 specimen was obtained by Mr. Nutting near Cot ^. Mr. Cherrie ^ records the species as 

 not uncommon on the summit of the Volcano of Irazu, at 13,000 feet, and M. Boucard ^ 

 met with it at a lower altitude in flocks of ten or twelve, feeding upon seeds and coming 

 from all directions to drink at a spring of mineral water near Desamparados ''. 



