BIRDS OF NORTH AND MIDDLE AMERICA, 



653 



(skins), 182.8S-193.04 (186.69); wing, 90.42-99.06 (94.23); tail, 76.96- 

 86. 3«) (82.55); c-ulmen, from base, 18.03-21.59 (20.07); depth of bill at 

 base, 16.26-17.53 (17.02); tarsus, 22.10-23.62 (22.86); middle toe, 

 15.24-17.53 (16.00). 1 



Nicarag-ua (Chontales) to British Guiana, Cayenne, eastern Brazil 

 (Pernambuco), Bolivia (Mapiri), eastern and central Peru, and western 

 Ecuador. 



[iox-io] grossa Linn^us, Syst. Nat., ed. 12, i, 1766, 307 ("America;" based on 

 CoccotJiraustes americana cxrulea Brisson, Orn., App. 89, pi. 5, fig. 1 ). — Gmelin, 

 Syst. Nat. i, pt. ii. 1788, 864.— Latham, Index Orn., i, 1790, 374. 



P. [/7y^».s] grossus Gray, Gen. Birds, ii, 1844, 362. — Cabanis, Mus. Hein., i, 1851, 

 143 (Guiana). 



[_Pltglns] grossa Bonaparte, Consp. Av., i, 1850, 503 (Cayenne; Brazil). 



Pitylus grossus Cabanis, in Schomburgk's Reise Brit. Guiana, iii, 1848, 677. — 

 ScLATER, Proc. Zool. Soc. Lond., 1855, 154 (Bogota, Colombia); 1856, 64 

 (monogr. ; Cayenne; British Guiana; Bogota; Pebas, e. Peru); 1857,264 (Rio 

 Javari, e. Peru); 1860, 293 (Babahoyo, \v. Ecuador); Synop. Av. Tanagr., 

 1856, 2 (monogr.); Cat. Am. Birds, 1862, 98 (Esmeraldas, w. Ecuador; 

 Colombia; Cayenne) ; Cat. Birds Brit. Mus., xi, 1886, 303 (Bartica Grove, 

 Camacusa, and Merume Mts., Brit. Guiana; Oyapoc, Cayenne; Pebas and 

 Rio Javari, e. Peru; Sarayacu, Esmeraldas, and Balzar Mts., Ecuador; 

 Nichi and Bogota, Colombia; Panama; Santa Fe, Veragua; Valza and 

 Tucurrique, Costa Rica; Chontales, Nicaragua). — Cassin, Proc. Ac. Nat. 

 Sci. Phila., 1860, 140 (Rio Truando, n. Colombia); 1865, 170 (Pacuar, 

 Costa Rica).— Lawrence, Ann. Lye. N. Y., vii, 1861, 298 (Lion Hill, Pan- 

 ama R. R. ); ix, 1868, 102 (Pacuar, Costa Rica). — Sclater and Salvin, 

 Proc. Zool. Soc. Lond., 1864, 352 (Lion Hill); 1873, 185 (Cosnipata, Peru), 

 263 (Rio Javari, e. Peru); 1879, 505 (Remedios and Neche, Colombia). — 

 Salvin, Proc. Zool. Soc. Lond., 1867, 141 (Santa Fe, Veragua); Ibis, 1872, 317 

 (Chontales, Nicaragua); 1885,213 (British Guiana). ^Pelzeln, Orn. Bras., 

 1871, 220.— Taczanowski, Proc. Zool. Soc. Lond., 1874, 518 (centr. Peru); Orn. 

 du Perou, ii, 1885, 548.— Zeledon, Cat. Aves de Costa Rica, 1882, 8; An. 

 Mus. Nac. Costa Rica, i, 1887, 111 (Jimenez; Pacuare). — Berlepsch and 

 Taczanowski, Proc. Zool. Soc. Lond., 1883,549 (w. Ecuador). — Salvin and 

 Godman, Biol. Centr.-Am., Aves, i, 1883, 331.— Allen, Bull. Am. Mus. 

 N. H., ii, 1889, 83 (Mapiri, Bolivia).— Riker and Chapman, Auk, vii, 1890, 

 267 (Santarem, Lower Amazon). — ^Richmond, Proc. U. S. Nat. Mus., xvi, 

 1893, 491 (Rio Escondido, Nicaragua; notes, habits, etc.). — Salvadori and 

 Festa, Boll. Mus. Zool. etc., Torino, xv, 1899, 22 (Valle del Zamora, e. 

 Ecuador; Foreste del Rio Peripa, w. Ecuador; synonymy). 



[Pitylus] grossus Sclater and Salvin, Nom. A,v. Neotr., 1873, 26. 



^ Nine specimens. 



All the males examined are from the Isthmus of Panama. The females represent 

 also South American localities and Costa Rica, their average measurements being as 

 follows : 



I am unable to detect anj' differences in coloration between specimens from differ- 

 ent localities, including those from eastern Brazil (Pernambuco). 



