Io6 Review. [ 



Emu 

 ist Oct. 



The white form of tliis bird is noticed. I myself saw two on Macquarie 

 Island. 



Daption capensis, Linn. (Cape Fulmar or "Cape-Pigeon"), PI. 80. 



Halob^^na c^rulea, Gm. (Blue Petrel), PI. 81. 



Prion vittatus, Gm. (Brown-billed Blue Fulmar), PI. 82. — The 

 author points out the variations which occur in the lamellae and the 

 bill, making it not always possible to separate P. vittatus and P.banksi. 

 When these birds are thrown up on the shore, as they sometimes are 

 in great numbers, it is possible to form a series which run very much 

 one into the other. 



Prion banksi, Smith (Banks Blue Petrel), PL 83. 



Prion desolatus, Gm. = P. turtur (Dove-like Petrel), PI. 84. 



Description of the Nest and Eggs of the White- 

 bellied Thickhead (Pachycephala lanioides).* 

 By Sid. W. Jackson, A.O.U., Chatswood, N.S.W. 



Identification. — Collected by Mr. F. L. Whitlock for Mr. 

 H. L. White, at Condon, North-West Australia, on 30th 

 October, 1908. 



Nest. — Contructed entirely of roots, very fine ones being used 

 for the lining. Diameter of nest over all, 6 inches ; egg cavity, 

 31^ inches across by i inch in depth. Roots are well fastened 

 together, with the exception of the extreme outside portion, 

 where they are a little loose. 



Eggs. — Two in number, and oval in shape, the texture of the 

 shell being fine and very glossy ; colour light olive, with a 

 moderately marked belt of umber or dark olive-brown and dull 

 (underlying) spots on the larger ends. Measurements in inches : 

 — {a) 1.04 X 0.73 inches ; (b) i.oi x 0.73 inches. 



Correspondence. 



A STANDARD COLOUR-CHART. 



To the Editors of " T/ie Emu!' 



Sirs, — Since addressing you on the subject of a standard 



colour-chart in the last issue of TJic Emu, I have ascertained 



that our esteemed honorary member. Professor Robert Ridgway, 



Curator Division of Birds, United States National Museum, 



had published in 1886 a book called " A Nomenclature of 



Colours for Naturalists and Compendium of Useful Knowledge 



for Ornithologists." This book, of which there appears to be no 



copy in Australia, so far as I can ascertain, contains much of the 



* For field remarks .see Whitlock, Emu, viii., pp. 143-145. Gould founded this 

 species on a single male specimen. Robt. Hall described the female in 1901 — vide 

 Vict. Nat., .xviii., p. 30. 



