Mr. D. G. Elliot on a supposed New Species of Pheasant. 423 



351. Petrocossyphus cyaneus. Blue Rock-Thrush. 

 Noticed at Sahebguaje^ on the Ganges, in 1861. 



355. Geocichla citrina. Orange-headed Thrush. 



Found in Maunbhoom in 1865, on two occasions. It is rare 

 and solitary, frequenting low thickets, and perching in trees 

 when flushed. 



361. Merula boulboul. Grey-winged Blackbird. 

 Darjeeling collection, 1862. 



362. Merula albocincta. White-collared Ouzel. 

 Found abundantly on Mount Tongloo, in 1862, where they 



were in flocks, busily feeding on the rhododendron-flowers. The 

 beaks of those I killed were covered with pollen. Specimens of 

 both sexes were procured. 



370. Oreocincla mollissima. Plain-backed Mountain- 

 Thrush. 



Darjeeling collection, 1862. 



371. Oreocincla dauma. Small-billed Mountain-Thrush. 

 A solitary specimen procured at Kashurghur, Maunbhoom, 



in 1864. 



[To be continued.] 



XXXIV. — On a supposed New Species of Pheasant, of the 

 Genus Argus. By D. G. Elliot, F.Z.S., &c. 



The subjects of the following descriptions are contained in 

 the collection of the British Museum, and are said to have come 

 from Borneo, the specimens from which country, in Dr. Sclater^s 

 opinion (P. Z. S. 1863, p. 124), " may pi'obably constitute local 

 varieties.^^ They seem, however, to possess characters sufficient 

 to entitle them to specific distinction. I therefore venture to 

 designate them as belonging to a new species, which I have much 

 pleasure in naming after Mr. George Robert Gray, F.B.S., the 



