96 BULLETIN 50, UNITED SIATES NATIONAL MUSEUM. 



I'll/nnnjiil lildrntata Bonaparte, Consp. Av., i, 1850, 241.— Baikd, Bkkwek, and 



RiDOWAY, liist. N. Am. Birds, i, 1874, 433, part. 

 rinnKja bidentata Jouy, Proc. U. S. Nat. Mus., xvi, 1894, 779 (Barranca ll)arra, 



Jalisco). — Nelson, Auk, xv, 1898, 157, 158 (crit. ; description and synonymy) . 

 Pliramjd] bidentata Ridgway, Man. N. Am. Birds, 1887, 456, part. 

 [Phoenicosouta] ///(/cM/otom Giebel, Thesaurus <)rn., iii, 1876, 110, i)art. 



PIRANGA BIDENTATA FLAMMEA Ridgway. 

 TRES MAKIAS TANAGER. 



Similar in coloration to J*, h. hldentata^ ))ut with white .spaces at tips 

 of inner webs of lateral rectrices much more restricted (not exceeding- 

 O.SO in length on outermost rectrix and usually nuich less), and size 

 decidedly greater. 



Adalimale.—laQx^^th (skins), 18L^. 9-193 (l!t<>); wing, 05.8-98 (97); 

 tail, 7S-88.8 (80.8); exposed culmen, 17-18 (17.5); depth of bill at 

 base, 1U.2-1U.7 (10.4); tarsus, 21.6-23.4 (22.9); middle toe, 15.2-16.3 

 (15.5).^ 



Adult female.— ljQngt\i (skins), 188-193 (190.2); wing, 9l.7-9-l:.7 

 (93.7); tail, 78.2-80.3(79.2); exposed culmen, 17.3-18.3 (17.S); depth 

 of bill at base, 10.2-10.4 (10.4); tarsus, 22.6-23.9 (23.1); middle toe, 

 15-15.5 (15.2).' 



Tres Marias Islands, western Mexico. 



Pijninga t>identata (not of Svvainson) Grayson, Proc. Bost. Soc. N. H., xiv, 1872, 

 281 (Tres Marias).— LA^VRENCE, Mem. Bost. Soc. N. H., ii, 1874, 274 (Tres 

 Marias). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 296, part 

 (Tres Marias) .—ScLATER, Oat. Birds Brit. Mus., xi, 1886, 190, part (Tres 

 Marias) . 



P\_mm<ja'] jtammm Ridgway, Man. N. Am. Birds, 1887, 457 (Tres Marias Islands, 

 n. w. Mexico; coll. U. S. Nat. Mus.). 



P^rangaflammea'RlliG^WAY, Man. N. Am. Birds, 1887, 592; 2d ed.,1896, 614. 



PIRANGA BIDENTATA SANGUINOLENTA ( Lafresnaye). 

 LAERESNAYES TANAGER. 



Similar to 7*. h. hidentata., but much dai'ker and richer in color; 

 adult male with head, neck, and under parts orange-red or scarlet^ 

 (deeper on pileum and hindneck), the ground-color of back and scap- 

 ulars, in full plumage, also the rump and upper tail-coverts, brownish 

 red (orange-rufous to dragon's blood red); wing-l)ands more or less 

 tinged with pinkish, sometimes decidedly pink, especially the one on 

 middle coverts; adult female with ground-color of back, scapulars, 

 and rump olive-green, the last also streaked with dusky. 



Adult //^r//(-.— Length (skins), 162.6-190.5 (179.6); wing. 94-102.9 



' Six specimens. 



-'Four specimens. 



•' Younger individuals of this form are often hardly ilistin<:uisha])le in color from 

 true P. bidnitata, heing of a similar oranjie hue; ])ut adult males in full plumaire arc 

 always easily distinguished l)y their uuich more intense or redder coloration. 



