INSESSORES. 63 



green and blue ; greater coverts rich reddish chestnut ; basal 

 half of the external webs of the primaries and secondaries 

 and edge of the wing rich indigo-blue ; under surface of the 

 shoulder light indigo-blue ; inner webs and tips of the pri- 

 maries dark brown ; apical half of the external web of the 

 primaries fringed with grey; two centre tail-feathers light 

 olive-green, passing into deep blue at the tip ; the remainder 

 deep blue at the base, largely tipped with white, the blue 

 gradually blending with the white on the external web 

 upper part of the abdomen and flanks primrose-yellow 

 centre of the abdomen and under tail-coverts crimson-red 

 irides dark brown ; feet mealy brown ; bill horn-colour. 



The female differs in being smaller, and less brilliant in all 

 her markings. 



Sp. 427. PSEPHOTUS XANTHORRHOUS, Gould. 

 Yellow- YEN TED Parrakeet. 



Platycercus hcBmatog aster, Gould in Proc. of Zool. Soc, part v. p. 89 j 



Birds of Australia (cancelled), part ii. pi. 7. 

 Psephotus xanthorrhous, Gould, Bonap. Rev. et Mag. de Zool., 1854, 



p. 154. 

 Platycercus xanthorrhous, G. R. Gray, List of Spec, of Birds in Coll. 



Brit. Mus., part iii. sec. ii. p. 7. 



In the introduction to the folio edition I remarked that I 

 had reason to believe that the specific term hcBmatogaster had 

 been inadvertently applied to two distinct species, both of 

 which have the centre of the abdomen red, but difier from 

 each other in the colouring of the centre of the wing and of 

 the under tail-coverts ; a further investigation of the subject 

 having convinced me that this is the case, it becomes necessary 

 to take some steps for the correction of the error. With this 

 view, therefore, I have to state that my description of P. 

 1i(Bmato(j aster, published in the ' Proceedings of the Zoological 

 Society ' above quoted, and the figure, with the same name 

 attached, which appeared in the second of the two parts of 



