BIRDS OF NORTH AND MIDDLE AMERICA. 



689 



Geothlypis poliocephala ralpWRioGW AY, Proc. U. S. Nat. Mus., xvi, no. 96-1, Fe]>. 5, 



1894, 692 (Brownsville, Texas; coll. TJ. S. Nat. Mus.); Man. N. Am. Ilirds, 

 2ded., 1S!)(3, 608. — American Ornithologists' Union CoM>riTrEE, Auk, xii, 



1895, 165; Check List, 2d ed., 1895, no. 682. 1. 



CHAM.ffi;THLYPIS POLIOCEPHALA PALPEBRALIS Ridgway. 

 MIRADOR GROUND-OHAT. 



Similar to C. p. poUocephala, but much more brigiitly colored, the 

 under parts entirely yellow (lemon or gamboge), except sides and 

 Hanks, which are browner or more deeply buffy olive than in (_L p. 

 poVioccphala; upper parts deeper olive; wing and tail shorter, bill snd 

 feet larger. 



AMt iiiah'.—'h&ag'Cix (skins), 126-142 (133.8); wing, 51-61 (55.6); 

 tail, 54-65 (59.9); exposed culmen, 11-14 (12.3); tarsus, 20-^5 (22.2); 

 middle toe, 14-16 (14.8).^ 



Southeastern Mexico, in States of Vera Cruz (Mirador; San Andreas 

 Tuxtla), Oaxaca?, Chiapas (Palenque; Ocozucuantla), Tabasco (Monte- 

 cristo), Campeche (Campeche), and Yucatan (Merida; Progreso; La 

 Vega; Chichen Itza). 



Trichas delafieldi (not Stjhia delafieldii Audubon) Sclatek, Proc. Zool. See. Lcmd., 



1856, 293 (Cordova, Vera Cruz). 

 Geothlypis poliocephala (not of Baird) Lawrence, Ann. Lye. N. Y., ix, 18611, L'OO 



(Merida, Yucatan).— Su.michkast, Mem. Bost. Soc. N. H., i, 1869, 516 (Vera 



Cruz, hot region?). — Salvin, Ibis, 1872, 149, part (monogr.). — Shaei'e, Cat. 



Birds Brit. Mus., x, 1885, 359, part, pi. 9, fig. 3. 

 [Oeothlyjns] poliocephala Sclater and Salvin, Nom. Av. Neotr., 1873, 10, part. 

 G[eothhjpit<] palpehralis Ridgway, Man. N. Am. Birds, 1887, 526 (Mirador, Vera 



Cruz, Mexico; coll. U. S. Nat. Mus.). 

 Geothlypis (Chamcethlypis) palpebralis Eidgway, Man. N. Am. Bird.s, 1887, 592; 



2d ed., 1896, 614. 



CHAMiETHLYPIS CANINUCHA Ridgway. 

 CENTRAL AMERICAN GROUND-CHAT. 



Similar to C. polloccpJiala palpeljridh^ but without any white or yel- 

 lowish on eyelids. 

 Adult vy/ff/t^— Length (skins), 116-136 (126.7); wing, 52-57 (55.5); 



'Seventeen specimens, those from different localities averaging, respectively, as 

 follows: 



Locality. 



Three adult males from Vera Cruz 



Six adult males from Chiapas 



Two adult males from Tabasco 



Two adult males from CampOche 



four adult males from Yucatan 



No females of this form have been seen by me. 

 3654--VOL 2—01 44 



Middle 

 toe. 



14.6 

 14. H 

 16.5 

 14 

 15 



