3. CRACTICU8. 



99 



the remainder of the under surface of the hody, including axillaries, 

 under wing- and under tail-coverts, and edge of wing pure white, 

 slightly tinged with silvery grey on the sides of the breast ; flanks 

 silvery grey ; thigh-feathers leaden grey, with white tips ; " iris hazel 

 ( $ ), reddish brown ( J )" (Gould). 



Obs. One adult male from Perth has the base of the tail-feathers 

 entirely black. 



Young. Wings more brownish ; the whole under surface of the 

 body, under wing-coverts, and axillaries duU white, with faint 

 greyish subterminal cross bars. 



Obs. In order to show that there is no diflference in size between 

 the specimens from Queensland and those from Perth, I give the 

 measurements of a series of specimens : — 



Total length. Culmen. 



' about 10 in. 



Queensland. . 



Perth 



1-52 



1-5 



1-3 



l-3o 



1-3 



1-3 



Wing, 

 in. 



5-9 



6 



5-8 



5'55 



5-7 



5-7 



Tail. 

 in. 

 4-6 

 4-6 

 4-5 

 4-3 

 4-5 

 4-5 



Tarsus, 

 in. 

 1-25 

 1-25 

 1-25 

 1-2 

 1-22 

 1-2 



Hub. North-eastern and Western Australia. 



«-/. Ad. sk. 

 ff. Ad. sk. 

 h. Ad. sk, 

 i. Ad. sk. 



k. Ad. sk. 

 I. cj ad. sk. 



m. $ juv. sk, 

 n. 5 ad. sk. 



Queensland. 

 Queensland. 

 Australia. 

 Australia (Cockerell). 



Port Bowen. 



Near Perth, W. Australia, 



Mar. 27, 1839. 

 Perth, April 15, 1839. 

 W. Australia, Nov. 3, 1842. 



Purchased, 



Gould Collection. 



Sir T. Mitchell [P.]. 



F. D. Godman and 0. Sal- 



vin, Esqrs. [P.]. 

 Purchased. 

 J. Gould, Esq. [C.], 



J. Gould, Esq. [C.J. 

 Eyton Collection. 



5. Cracticus argenteus. 



Cracticus argenteus, Gotihl, P. Z. S. 1840, p. 126 ; Gray, Gen. B. i. 

 p. .300; Gould, B. Amtr. fol. ii. pi. 51; i?;>. C. A. i. p. 367; 

 Bcich. Voff. Aeuholl. p. 237 ; Gould, Handb. B. Ausfr. i. p. 182 ; 

 Girii/, Hand-l. B. i. ]>. 386, no. 5852; Ramsay, Proc. Linn. Soc. N. 

 S. W. ii. p. 180. 



Adult. Differing from C. huco2ytc'rus in having the back light 

 silvery grey, the white on the scapulars, on the upper tail-coverts, 

 and on the tips of the tail-feathers more extensive, and the whole 

 under surface of the body, including the flanks and sides of the 

 breast, entirely pure white ; " bill horn-colour ; feet blackish brown " 

 (Guuld). Total length 10-5 inches, culmen 1-43, wing 5-9, tail 4-7, 

 tarsus 1*2. 



Obs. That the above differences are not simply the result of age 

 is sliown by a very young specimen (the type of Gould's C. an/oifcvs), 

 which has the entire under surface of the body pure white, including 



h2 



