BIRDS OF NORTH AND MIDDLE AMERICA. 297 



Luca8, Lower California"). — Sclater and Salvin, Exotic Orn., jit. iv, 1867, 

 pi. 24.— Cassin, Proe. Ac. Nat. Sci. Phila., 1867,48 (monogr. ; Mazatlan). — 

 SuMicHRAST, Mem. Bost. Soc. N. H., i, 1869, 552 (liot region, Vera Cruz). — 

 Lawrence, Mem. Bost. f?oc. N. H., ii, 1874, 280 (Mazatlan; Tepic; plains 

 of Colima; ManzanilloBay; habits, etc). — Salvin, Cat. Strickland Coll., 1882, 

 264 (Mexico); Proc. Zool.Soc.Lond., 1883, 422 (Acapulco).— Ferrari-Perez, 

 Proc. U. S. Nat. Mus., ix, 1886, 150 (Chietla, Puebla;Ianhuiatlan, Oaxaca).— 

 Ridgway, Proc. U. S. Nat. Mus., ix, 1886, 150 (Chietla, etc., crit.).— Salvin 

 and GoDMAN, Biol. Centr.-Am., Aves, i, 1887, .477. — Jouy, Proc. U. S. Nat. 

 Mus., xvi, 1893, 781 (Barranca Ibarra, Jalisco). 



llcierus'] j)ustulatns Sclater and Salvin, Nom. Av. Neotr., 1873, 36. 



Pendulinus californicus Lesson, Rev Zool., 1844, 436 ("Lower California"); 

 Oeuvr. Buff., Suppl., vii, 1831, 333. 



[PciiduUnus] calfornicus BoiiAV ARTE, Consp. Av., i, 1850, 433. 



Pendulinus californicus Baird, in Stansbury's Rej). Gt. Salt Lake, 1852, 331 ( "Cali- 

 fornia " ) . 



Icterus sclateri (not of Cassin) Lantz, Trans. Kansas Ac. Sci. for 1896-97 (1899), 

 222 (Altata and Culiacan, Sinai oa). 



ICTERUS SCLATERI Cassin. 

 SCLATER'S ORIOLE. 



Similar to I. pustulatai^ but larger, with black streaks on back much 

 broader (the black predominatino- over the yellow or orange); middle 

 wing-coverts with less black on basal portion (sometimes none), and 

 (usually) the general color of head, etc., yellow or orange-yellow 

 rather than orange; adult female similar to that of /. pmtidatus, but 

 larger; upper parts lighter and more yellow, with black streaks on 

 back broader; wing-edgings broader and purer white, and color of 

 under parts, etc., lemon-yellow, rather than orange or saffron yellow. 



Adult iiude.—LQwgth (skins), 193-215.9 (203.7); wing, 101.6-115.1 

 (107.2); tail, 89.4-10^.1 (93.2); exposed culmen, 19.8-23.1 (21.3); 

 depth of bill at base, 10.7-12.4 (11.7); tarsus, 23.1-26.4 (24.6); middle 

 toe, 15.5-18.3 (17).^ 



Adidt female.— l^Gwgth. (skins), 186.7-203.2 (194.3); wing, 94-101.3 

 (97.5); tail, 81.8-88.6 (85.9); exposed culmen, 20.6-21.1 (20.8); depth 

 of bill at ])ase, 10.7-11.9 (11.2); tarsus, 22.9-24.4 (23.4); middle toe, 

 16-17.8 (16.8).^ 



Southern Mexico, in States of Oaxaca (Tehuantepec; Cuicatlan; 

 Santa Etigenia; Oaxaca; Juchitan) and Chiapas (Tonala), south through 

 Guatemala (San Geronimo), Salvador, and Honduras to Nicaragua 

 (Managua; San Juan; Pres Granada); western Costa Rica (Liberia)?. 



^ Nine specimens. ^ Four specimens. 



The series from Nicaragua is much too small to show whether there are constant 

 differences or not between birds from that portion of the country and those from 

 southern Mexico. The single Nicaraguan specimen measured shows decided differ- 



