BIRDS OF WESTERX COLOMBIA. 1 201 



I?, amhigutis Swains.* the .same parts are dull black, fffr. Hartert's 

 observations in Nov. Zool. v. 1898, p. 498. 



I am at a loss to understand how the name B. tocarcl Vieill.f 

 could have ever been applied to the present species. Levaillant's 

 figure represents a bird vpith white throat and chest, and crimson 

 upper tail-coverts, whereas R. siraivsonii has the latter pure white 

 and the throat deep yellow. The next available name is the one 

 used above. 



H. sioainsonii (tocarcl auct.) ranges from southern Central 

 America through Colombia to Western Ecuador. 



178. Pteroglossus erythropygius sanguineus Gould. 



[^Pteroglossus erythropygius Gould, P. Z. >S. 1843, p. 15 (July 

 1843. — Voyage of the ' Sulphur ' ; the type locality, later given 

 as Realejo, Nicaragua, is doubtless erroneous).] 



P. sanguineus Gould, Monogr. Kamph., 2nd edit., text to pi. 21 

 (18.54— loc. ign.) ; Cassin, Proc. Acad. N. Sci. Philad. 1867, p. 109 

 (R. Truando, N. Colombia) ; Hartert, Nov. Zool. v. 1898, 

 p. 498 (Cachabi, Paramba, N.W. Ecuador). 



P. erytkrop7/gius (nee Gould) Cassin, Proc. Acad. N. Sci. Philad. 

 1860, p. 136 (R. Truando). 



No. 2022. (S ad. Noanama : 27.viii.08.— Wing 151 ; tail 175 ; 

 bill (measured with chord) 130 mm. 



Nos. 2023, 2024, 2163, 2189. $ 2 ^d- Noanama : 27.viii.08 ; 

 Sipi : 6,14.x.08.— Wing 147-152 ; tail 170-182 ; bill 112-120 

 mm. 



" Iris yellow ; feet greyish green ; maxilla greyish yellow, tip 

 yellow, broad culminal band and streak along cutting-edge black ; 

 mandible black." 



The series proves beyond doubt that P. e. sanguineus is a 

 perfectly valid form, the coloration of the bill being quite 

 constant in all fi.ve specimens. I have also examined ten skins 

 from various localities in N.W~. Ecuador, belonging partly to the 

 Tring and partly to the Munich Museums. 



These fifteen examples invariably have the lower mandible 

 black, while the maxilla, in addition to the black stripe along the 

 cutting-edge, shows a broad, black culminal stripe, extending over 

 more than the two basal thirds of its length. Cassin (l. c. pp. 109- 

 110) gives the same coloration for six specimens obtained on the 

 River Truando by Lieutenant Michler's Expedition. Sometimes 

 the extreme base of the mandible is slightly clouded or marbled 

 with dull greyish yellow, and a small spot at the extreme tip is 

 soiled yellowish. 



In P. e. erythropygiits Gould, on the other hand, the bill is pale 

 yellow except a black stripe along the cutting-edges of the 

 maxilla, and a slight dusky tip to the lower mandible. The 

 culminal stripe is generally absent, though occasionally specimens 



* Zool. Illustr. iii. pi. 168 (no locality). 



t Nouv. Diet, xxxiv. p. 281 (1819 — based on Levaillant, Ois. de Paradis, etc., ii. 

 pi. 9). 



