( 307 ) 
deeper crimson, the flanks strongly washed with deep olive, and especially the deep 
yellow abdomen and basal portion of under tail-coverts much suffused with crimson. 
Wing 64—65 ; tail 27—28 mm. 
133. Pipra rubrocapilla Temm. 
Pipra rubrocapilla Temminck, Rec. Pl. col, tab. 54. fig. 3 (1821.—" Brésil ” ; we fix Bahia as typical 
locality) ; Pelzeln, /.c. p. 127 (Borba). 
Nos. 140, 141. do ad., Calama, 1 vii. 1907.— Wing 60, 62 ; tail 314, 32 mm. 
No. 142. ¢ imm., Calama, 1. vii. 1907.—Wing 60 ; tail 32 mm. 
No. 282. 3 juv., Calama, 28. vii. 1907. 
No. 776. ¢ juv., Allianca, 11. xi. 1907. 
No. 928. ¢ ad. Marnins, Machados, 12. vi. 1908.— Wing 62 ; tail 33 mm. 
“ Tris dingy white (¢d ad.) or brown (dd imm. and juv.), feet pale grey or 
yellowish grey, bill grey.” 
The adult males have the forehead and crown distinctly paler and more orange 
than the nape and sides of the head, agreeing in that respect with Par& examples 
(cf. Idés 1906. p. 13, and Nov. Zool. xiv. 1907. p. 49). No. 142, in the greenish 
plumage of the female, shows some black feathers on the mantle and rump, and the 
head is mostly red. 
[134. Pipra caelesti-pileata Goeldi.* 
Cf. Nov. Zool. xiv. 1907. p. 359 (Humaytha). 
Left bank of the Rio Madeira: Humaytha (Hoffmanns). 
Not obtained on the present expedition. The differences between this species 
and P. exquisita Hellm. are fully stated /.c.] 
135. Pipra nattereri Scl. 
Pipra nattereri Sclater, Proc, Zool. Soc, Lond. 1864. p. 611. tab. 39 (1865.—Borba) ; Pelzeln, /.c. 
p. 127 (Borba, Rio Madeira ; Engenho do Gama, Rio Guaporé); Hellmayr, Nov. Zool. xiv. 
1907. p. 360 (Borba). 
P. gracilis Hellmayr, Verhandl. Zool. Bot, Gesellsch. Wien liii, p. 202 (1903.—Engenho do Gama, 
Rio Guaporé), descr. ?. 
Nos. 11, 139, 149, 151, 179, 189, 198, 206, 212, 221, 321, 350. dd ad. 
Calama, June, July, August 1907.—Wing 52—54; tail 26—29 ; bill 8—9 mm. 
No. 710. 3 ad., 8. Isabel, Rio Preto, 16. x. 1907.—Wing 52; tail 26 mm. 
No. —. 6 ad., Allianca, November 1907—Wing 52 ; tail 26 mm. 
Nos. 554, 580, 581. go ad., Jamarysinho, Rio Machados, 21. ix. 1907.—Wing 
52—53 ; tail 25—27 ; bill 9 mm. 
Nos. 190, 274. 22 ad., Calama, 8, 26. vii. 1907.—Wing 52, 54; tail 30; 
bill 84, 9 mm. 
* In a very curious paper (Boletim Mus. Goeldi v. 1908. pp. 85-91) Dr. Goeldi emphatically declares 
that this bird was described by him in 1904. Against this I have only to say that the first published 
description of P. caelesti-pileata is to be found in the Comptes Rendus Six, Congr. Internat. Zool, Berne 
p. 549, dated May 25, 1905, though the volume did not appear until October or November of that 
year. In the 7th Supplement (February 1904) to Dr. Goeldi’s Verzeichnis der bisher wissenschaftlich 
beschriebenen neuen Thier- und Pflanzenformen, where the name first appears in print, it is an absolute 
nomen nudum. The fact that Dr. Goeldi used the name P. caelesti-pileata in 1904 in labelling his 
specimens, and that the proofs of his paper are stamped “ September 1904,” has no bearing whatever on the 
case, for zoological literature has only to deal with the dates of actual publication, as is well known to 
everybody familiar with the International Rules of Nomenclature. With regard to the footnote on p. 89, 
I am rather surprised to learn that Dr. Goeldi is not acquainted with the Bulletin of the Brit. Orn. Club, 
where he would have found a fall description of P, exquisita (actually published March 24, 1905). 
