398 



NUKTII AMKKICAN I3IKDS. 



Genus ORTALIDA, Merrem. 



Orialida, Mehrem, Av. rar. Icoiies et Uesc. II, 1786, 40 (Gkay). (Type, Pltasianus 

 molmot, L.) 



Of Ortalida, as characterized above, Messrs. Sclater and Salvin enumerate 

 eigliteen species ; like the rest of the family, all American. Of these only 



3T9r7 Z 



Ortalida maccaUi. 



one has so far been detected within our limits, although it is by no means 

 improljable tliat the 0. jwlwcqiJiala, Wagler (Sclater and Salvin, I*r. Zool. 

 See. 1870, 537), may yet be detected in New Mexico or Arizona.^ 



Ortalida vetula, var. maccalU, r..viRD. 



THE TEXAS CHACALACCA. 



Ortalida vdula, Lawrence, Aun. N. Y. Lye. V, 1S51, 116. (Xot Pcndopc vetula, Wagler, 

 Isis, 1830, 1112, and 1831, 517.) — ScL. & Salv. P. Z. S. 1870, 538. (Considers it the 

 same as P. vetula, Wagler). Ortalida imlioccplwla, Cassin, Ilhist. I, ix, 1855, 267, 

 pi. xliv. (Not PenelojK poliocephala, Wagler, Isis, 1830, 1112.) Ortalida iiuiccalli, 

 Baird, Birds N.Am. 1858, 611. — Ib. M. Bound. II, Birds, 22. — Dresser, Ibis, 

 1866, 24 (S. E. Texas, breeding). — La WR. Ann. N. Y. IX, 209 (Yucatan). — ScL. & 

 Salv. P. Z. S. 1870, 538 (Honduras, Vera Cruz, Guatemala). — Reichenb. Haudb. 

 der Rp. Orn. Lief, viii, 145. (Describes more adult specimens.) 



Sp. Char. Body above dark greenish-olive; beneath browni.sh-yellow, tinged with 

 olive. Head and upper part of neck plumbeous. Tail-feathers lustrous green, all tipped 



1 Messrs. Sclater and Snlvin distiuguisli the allied species as follows : — 



0. polioccplmla, Wagler. Brownisli-olive ; the head plumbeous, lighter beneath ; the feathers 

 of the throat dai'ker, and marked with gray ; middle of belly milky-white ; the flanks and 

 crissum tinged with rafous ; tail bronzed-gi-een, the five lateral feathers broadly tijiped with 

 bull'. Length, 24.00 ; wing, 10.50 ; tail, 11.50 ; tarsus, 3.20T Eab. Tabledand of Mexico to 

 west coast (Manzauillo, etc.). 



0. vetula, W^agler. Brownish-olive ; the he.'id ]iliuubeous, lighter beneath ; the middle of 



/( /J 



