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specimens. The nndcr tail-coverts in the Orinoco birds are whitish with cinereous 

 markings as in Ph. guianensis, not nniform fulvescent as in Ph. moorei. 



The present form is probably an unnamed subspecies, but we refrain from 

 naming it, until we are able to compare a fresh series of skins from Cayenne, with 

 which they might be identical after all. 



274. Phaethornis hispidus (Gould). 



Trochilus (— .«) hispidus Gould, P.Z.S. 1 846 p. 90 (typ. ex " Peru ? "). 



Nericagna : iS 25,i!7. (bis) iii., 12. iv. (bis), 1.5, 25, 27, :i(i. iii., ? ? 25, 30. iii., 

 5. iv. '09. 



Munduapo : c? ad. 24. ii., S juv. 15. ii. '99. 



"Iris seal; bill above black, below dusky chrome yellow; tip only blackish 

 (with dusky tip) ; feet dusky grey (dark dusky grey)." 



(Nos. 11962, 12099, 122.57, 122.58, 12259, 12260, 12261, 12262, 12321, 12322, 

 12323, 12324, 12432, 12490 Oherrie coll.) 



La Pricion : S i February, December, ? February (Andr6). 



La Union : <? December (Andre). 



Having compared the Nericagna and Caura River specimens with a large 

 series of examples from Bogota collections {Ph. rillosus Lawr.), from Eastern 

 Ecuador and Upper Amazons (Ph. oseryi Bourc. & Muls.), and two birds from 

 San Mateo, Bolivia, in Mus. H. v. B. collected by Mr. G. Garlepp (the latter 

 being apparently tyjiical Ph. hi.-<pidats), we have come to the result that they all 

 belong to the same form, and that there are no local races of this species. 



The fulvescent margins to the feathers of the nropygium seem to be characteristic 

 of young or freshly moulted birds. They are found in a Bolivia specimen as well 

 as in Bogota skins, while others from Bogota show pure greyish white tips to the 

 rump-feathers. 



275. Phaethornis augusti (Bourc). 



Trochilus Augusti Bourcier, Ann. Soc. Agric. Li/on X. (1847) p. S23 (typus ex Caracas, coll. SalM). 



Caicara : <? ? ad. 30. iii , 12. vi. '98. 



(Nos. 10573, 10952 Cherrie coll.) 



" i Iris blackish ; feet dusky grey ; bill, maxilla black, mandible orange- 

 vermilion with blackish tip." 



" ? Iris seal ; feet and bill as in the adult male." 



276. Phaethornis rupurumii Bouc. 



Fhaetomis Rupurumii Boucard, The Humming Bird II. (Jan. 1892) p. 1 (typ. ex R. Rupurumi, 

 Brit. Guiana). 



Caicara : <? c? 25, 27. (bis), 28. (quater) i., ( ? >) 5. ii., ? 29. vi. '98. 

 " Iris seal ; feet dusky ; bill : maxilla black, mandible lemon-yellow, black at 

 tip " (Cherrie). 



Altagracia : S 20. i. '98. 



Perico : ? 27. ix. '98. 



Maipures : c? 19. xii. '98. 



Temblador, Caura Valley : ? 29. ix. 1900 (Klages). 



La Pricion : S February, ? ? Jan., Feb. 1901 (Andrd). 



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