( 303 ) 
much smaller, They appear to represent a different race; unfortanately both are 
immature. 
Good series from various localities are required to establish the geographical 
forms of P. chlorion. | 
130. Pipra aureola flavicollis Scl. 
Pipra flavicollis Sclater, Contrib, Ornith. for 1851. p. 143 (1852.—‘‘ Barra do Rio Negro ”—locality 
erroneous ; cf, /bis 1906. p. 8). 
P. aureola (nec Linnaeus !) Pelzeln, /.c. p. 126 (part. : Borba). 
P. aureola flavicollis Hellmayr, Nov. Zool. xiv. p. 358 (Humaytha). 
No. 854. ¢ ad., Marmellos, 23. xii. 1907. “Iris white, feet dark red, bill 
black.” —Wing 614; tail 28; bill9 mm. (Munich Museum.) 
Perfectly agreeing with the Humaytha series obtained by Mr, Hoffmanns on his 
first trip to the Rio Madeira, and differing in the same way from a large series of 
P. a. aureola from Surinam, Cayenne, Marajé, Monte Alegre, and Mandos. 
Mr, Hoffmanns met with P. a. flavicollis exclusively on the left bank of the 
Rio Madeira (Marmellos, Humaytha), while, on the right bank, other forms were 
found. Hence it is to be presumed that Natterer’s examples also might have been 
taken on the left side of the river, opposite Borba, and not in the immediate 
neighbourhood of that settlement. 
131. Pipra aureola fasciicauda Hellm. 
Pipra fasciicauda Hellmayr, Ibis (8) vi. p. 9 (1906.—new name for P. fasciata Lafr. & D’Orb. 
preoccupied : type from Yuracarés, East Bolivia). 
Nos. 917, 918. dd ad., Maruins, Rio Machados, 9. vi. 1908. “Iris white, 
feet brown, bill black,”—Wing 65, 63}; tail 28, 29; bill 93, 10 mm. (Munich 
Museum.) 
The two specimens are practically identical with a very large series from 
Eastern Bolivia (types) and Western Brazil (Chapada, R. Guaporé, and Rio Parans). 
All of the rectrices are banded with yellowish white on both webs, the orange-yellow 
throat-feathers faintly tipped with red ; the chest is strongly washed with crimson, 
while abdomen and under tail-coverts are clear yellow, the latter with narrow, sooty 
blackish tips. The adult male from Itaittiba, left bank of the R. Tapajéz,* kindly 
submitted for my inspection by Dr. Hartert, is also perfectly similar. 
132. Pipra aureola calamae n. subsp. 
Nos. 2, 399, 445. do ad. Calama, 8. vi. 15, 23. viii. 1907. “Tris white, 
feet dark brown, bill blackish or plumbeons.”—Wing 64—65; tail 27—28; bill 
10 mm. 
Nos. 167, 239, 335. ? ? ad., Calama, 5, 18. vii., 5. viii. 1907. “Tris yellowish 
white, feet brown, bill plumbeous.”—Wing 63—64; tail 27, 29, 31; bill 
94—10 mm. 
Nos. 754, 757. ¢ jav.,  imm., Allianca, 6,7. xi. 1907. “ Iris whitish, feet 
reddish brown, bill black.”—Wing (?) 60, (d) 65; tail ($) 29, (fd) 31 mm. 
Nos. 682, 713. ? imm., ¢ juv., S. Isabel, Rio Preto, 11,17. x. 1907. “ Tris 
yellowish or dingy white.” 
3 ad, Similar in tail-markings to P. aureola purusiana Snethl.,f from which it 
* Cf. Nov. Zool. xiv. 1907. p. 12. 
t P. fasciicauda purusiana Snethlage, Orn. Monber. xv. p. 160 (1907.—type from Ponto Alegre, Rio 
Purtis, W. Brazil). 
