354 BULLETIN 50, UlSriTED STATES NATIONAL MUSEUM. 



AULACORHYNCHUS WAGLERI (Sturm). 



WAGLER'S TOUCANET. 



Much like A. prasinus, but color of pileum much lighter and more 

 yellowish, becoming conspicuously paler on forehead; white of throat 

 more restricted and passing into pale grayish blue posteriorly; maxilla 

 with black tomial stripe much narrower anteriorly, and basally 

 confluent with the black on base of culmen, and embossed basal 

 lamina much wider, very strongly sulcate. 



Adults {sexes alike). — Pileum and hindneck light yellowish, or 

 ochreous, olive-green, passing into pale dull yellowish or dull yellowish 

 white on forehead and into yellowish grass green on rest of upper 

 parts, the terminal portion of inner secondaries more bluish green, the 

 rectrices passing into dull blue distaUy and broadly tipped with chest- 

 nut; outer webs of primaries dull black or bluish dusky distally ; auricu- 

 lar region light yellowish olive-green ; anterior portion of malar region, 

 chin, and upper throat dull white, passing into pale grayish blue on 

 lower throat, this into light green on under parts of body, which are 

 more or less tinged with blue or bluish green medially, the sides decid- 

 edly more yellowish green; under tail-coverts light chestnut or deep 

 cinnamon-rufous; under wing-coverts pale dull yeUow, the inner 

 webs of remiges (except distally) passing on edge into dull primrose or 

 pale straw yellow; mandible black (the extreme tip usually more 

 brownish), with a basal V- or U-shaped embossed, sometimes sulcate, 

 lamina of duU yellow or yellowish white; maxilla, below nostrUs, with 

 a very broad basal, embossed, strongly longitudinally sulcate lamina 

 of pale brownish yellow, the basal portion otherwise black, the 

 black extending anteriorly for a greater or less distance over culmen 

 (usually covering less than basal third, and, rather narrowly, along 

 tomium nearly to tip, the rest of maxilla greenish yellow; iris brown? ; 

 bare orbital space dusky brownish (in dried skins); legs and feet 

 grayish or olivaceous dusky (in dried skins). 



Adult TmZe.— Length (skins), 350-387 (367); wing, 123.5-132.5 

 (128.5); tail, 113-128 (120.4); culmen, 73-80.5 (76.4); tarsus, 33.5- 

 35.5 (34.1); outer anterior toe, 25-27 (26.1).'^ 



Adult female.— Length, (skins), 342-357 (351); wing, 122-136 

 (129.1); tail, 115.5-126 (119.5); culmen, 61.5-76 (68.3); tarsus, 

 32-35 (33.2); outer anterior toe, 26-28 (26.7).^ 



Southwestern Mexico, in States of Guerrero (Amula; Omilteme) 

 and western Oaxaca (Sacatepec; Pluma). 



Fteroglossus pavonmus (not of Wagler, 1829) Goxtld, Proc. ZooL Soc. Lond., 1835, 



158 (Mexico); Mon. Ramphast., ed. 1, 1834, pi. 30. 

 Aulacorhamphus pavoninus Salvin and Godman, Ibis, April, 1889, 240 (Amula, 



Guerrero, and Sacatepec, Oaxaca; crit.). 



<* Seven specimens. b Five specimens. 



