BIRDS OF NOETH AND MIDDLE AMEEICA. 357 



Martin, etc., Vera Cruz; Tonaguia, Oaxaca; Brit. Honduras; Chilasco, Cerro 

 Zufiil, Las Nubes, Totonicapam, etc., Guatemala; Volcan de San Miguel, 

 Salvador).— Dearborn, Pub. 125, Field Mus. N. H., 1907, 90 (Tecpam, 

 Guatemala, 9,500 ft.). 



[Aulacorhamphus] prasinus Sclater and Salvin, Nom. Av. Neotr., 1873, 109. 



Aulacorhynchus prasinus Cabanis, Journ. fiir Orn., 1862, 331. 



AULACORHYNCHUS PRASINUS VIRESCENS Ridgway. 



SOUTHERN EMERALD TOTTCANET. 



Similar to A. p. prasinus but smaller (except bill and feet), vnth. 

 tail relatively much shorter; chestnut of under tail-coverts deeper; 

 green of breast, etc., more yellowish (the chest never tinged with 

 blue), and white of throat more yellowish, especially next to green 

 of lower foreneck. 



Adult maZe.— Length (skms), 331-340 (334); wijig, 120.5-123.5 

 (122.1); tail, 106-111 (108); culmen, 71-81 C74.7); tarsus, 33.5-35 

 (34.4); outer anterior toe, 25-27.5 (26.2). « 



Adult /emaZe.— Length (skms), 308-312 (309); wmg, 117.5-126 

 (120.8); tail, 104.5-111 (107.1); culmen, 58-67 (62.4); tarsus, 31.5- 

 33.5 (32.5); outer anterior toe, 24-26 (25.1). '^ 



Honduras (San Pedro; Chasniguas) and northern Nicaragua 

 (Ocotal, Matagalpa, and San Rafael del Norte) . 



Aulacorhaviphus prasinus (not Pteroglossus prasinus Gould) Sclater and Salvin, 

 Proc. Zool. Soc. Lond., 1870, 837 (Honduras).— Ridgway, Proc. U. S. Nat. 

 Mus., xiv, 1891, 471 (Chasniguas, Honduras). — Salvin and Godman, Ibis, 

 1892, 327 (Matagalpa, n. Nicaragua; crit.); Biol. Centr.-Am., Aves, ii, 1896, 

 559, part (San Pedro, Honduras; Matagalpa, Nicaragua). 



Aulacorhynchus prasinus virescens Ridgway, Proc. Biol. Soc. Wash.., xxv, May 4, 

 1912, 88 (Chasniguas, Honduras; coll. U. S. Nat. Mus.). 



AULACORHYNCHUS C^RULEOGULARIS C^ERULEOGULARIS (Gould). 



BLUE-THROATED TOtTCANET. 



Adults (sexes alike). — Pileum and hindneck plain brownish olive, 

 sometimes inclining to olive-green; rest of upper parts plain grass 

 green, the rec trices passing into dull bluish green or greenish blue 

 distally and broadly tipped with deep cinnamon-rufous or chestnut ; 

 suborbital region, anterior portion of malar region, chin, and throat, 

 plain dull dark blue, the color brighter along posterior margin of the 

 blue area, darker and duller on chm; rest of under parts plain light 

 yellowish green (between apple green and bice green), the under tail- 

 coverts deep cinnamon-rufous or -chestnut; maxilla with tomial por- 

 tion (broadly toward base) and an elongated patch on basal or sub- 

 basal portion of the culmen black, the basal portion connecting the 



1 Four specimens, from northern Nicaragua. b Five specimens. 



