

CINNYEIS AUEOKA. 



(PHILIPPINE ORANGE-CHESTED SUN-BIRD.) 



Oyrtostomus aurora, Tweeddale, P. Z. S. 1878, p. 620. 



6 ad. supra olivascenti-flavus, tectricibus alarum minimis scapularibusque dorso concoloribus, ruedianis et 

 majoribus remigibusque nigricantibus olivaceo marginatis : cauda nigra, rectricibus extimis late albo 

 terminatis : plumis paucis frontalibus chalybeo-viridibus : plumis anteocularibus nigris : genis et gutture 

 toto metallice violaceis, linea malari vix chalybeo-viridi, regione prsepectorali metallice viridi : pectore 

 hete aurantiaco : corpore reliquo subtus flavo, hypochondrias et tibiis olivascentibus : subalaribus flavis : 

 rostro et pedibus nigris : iride saturate brunnea. 



5 ad. mari similis sed plumis frontalibus metallicis nullis et subtus omnino flava, supercilio flavo distinguenda. 



Hab. in insula Pliilippinensi " Palawan " dicta. 



Adult Male. Upper parts yellowish olive ; the feathers of the forehead tipped with steel-blue ; wings dark 

 brown, all the feathers broadly edged with yellowish olive ; tail black, with the four outer feathers on 

 each side tipped with white, about one third of the outermost one being of that colour ; sides of the 

 head olive like the back, with the eyelids and feathers in front of the eyes black ; chin and throat 

 metallic violet, slightly shaded on the sides and on the crop with green ; breast and under tail-coverts 

 and pectoral tufts bright yellow, shading into deep orange-yellow on the front half of the chest ; under 

 surface of the wings brown, with the inner margins of the quills and the coverts white, the latter 

 shaded with yellow; bill and legs black; irides dark brown. Total length 4'1 inches, culmen 0"75, 

 wing 2 - 15, tail l - 6, tarsus 06. 



Adult Female. Upper parts similar to those in the adult male, excepting that it has no metallic colouring 

 on the forehead, and possesses a broad pale yellow eyebrow ; cheeks and the entire underparts bright 

 yellow, fading into buff on the chin ; flanks slightly tinged with olive ; under surface of the wings dark 

 brown, with the inner margins of the quills and the coverts white, the latter tinted with yellow ; bill 

 and legs black ; irides dark brown. Total length 4'3 inches, culmen 075, wing 2, tail 16, tarsus 0'6. 



Hab. The island of Palawan, in the Philippines. 



The present species is closely allied to C. jugularis ; but the male differs from typical specimens 

 of that bird in having the frontal feathers tipped with steel-blue and the front half of the chest 

 deep orange. 



Although, from our present knowledge of the subject, I feel bound to regard C. aurora as a 

 good species, distinct from C. jugularis, I think it possible that these differences will not prove 

 so important as they at first appear. 



On examining a large series of specimens of birds not to be separated from C. jugularis, I 

 find in some examples that the frontal feathers are more or less tipped with steel-blue : in one 

 specimen in the Marquis of Tweeddale's collection, procured by Mr. Everett in June on the 



