THE FOOD OF AUSTRALIAN BIRDS. 69 



(f) Canowindra, February, 1915. 



(W.W.F.) Remains of ants and beetles, small and broken up; a grub 

 (lamellicorn) ; broken grain of wheat. 



Qymnorhina tihicen. (M. 617 ; H. 213.) Black-backed Magpie, 

 "(a) Berry, N.S.W., 21st May, 1909. 



(W.W.F.) Wheat and plant remains; several ground beetles; green- 

 head ants (Ectatomma metallicum). 



(b) Sydney, 2nd March, 1910. 



' (W.W.F. ) Dipterous larvse; one cutworm; two small grubs; ground 

 spider ; remains of a number of locusts and grasshoppers chief 

 food, locusts and grasshoppers. 



(c) Berry, 9th August, 1910. 



Stomach full of remains of insects, amongst them a number of small 



black beetles. 

 (W.W.F.) Remains of small heteromerous beetles, small ground weevils, 



and a few carabid beetles chiefly fragments of beetles. 



(d) Bowral, April, 1910. 

 Numerous portions of large insects. 



(W.W.F.) Remains of bull-dog ants, Myrmecia sp. ; legs of grass- 

 hopper; remains of small ground beetles, Anoplognathus sp. and other 

 ScarabceidcB. 



(e) Hawkesbury River, 13th August, 1910. 



(G. P. Darnell-Smith) Two soldier-ants ; one wild fig. 

 CO Upper Manilla, September, 1914. 



(E.W.F.) Numerous insect remains; fragments of beetles chiefly 

 scarabs and weevils, including (?) Sosytelus sp. 



(g) Walgett, September, 1914. 



(E.W.F.) Small beetles (Carabidce) ', a mycterid weevil (Bubaris sp.); 

 grasshopper remnants ; other insect remains unrecognisable. 



(W.W.F.) Remains of grasshoppers, heads of carabs and Heteromers, 



and ground curculio. 

 (h) Tarcoon, 23rd October, 1914. 



(E.W.F.) Insect remains ; fragments of beetles ; heads of ants; other- 

 wise unrecognisable. 



Gymnorhina leuconota. (M. 650 ; H. 244.) White-backed Magpie. 



(a) Uralla, May-June, 1915. 



(W.W.F.) Almost all remains of Coleoptera several heads of weevils; 

 remains of Heteromera; portion of a scarab beetle (Onthophagus) 

 head of chrysomelid beetle (Paropsis sp.) ; heads of black bulldog 

 ants (Myrmecia sp.), and remains of smaller ants; partly digested 

 grains of wheat and other vegetable matter. 



(b) Uralla, May-June, 1915. 



(W.W.F.) Remains of Coleoptera head of scarab beetle (Onthophagus) ; 

 heads and elytra of weevils (Curculionidce) ; remains of Heteromera ; 

 remains of black bulldog ants (Myrmecia sp.) ; several legs and pro- 

 thorax of Locustidce. The greater portion of the stomach of this 

 bird consisted of partly digested wheat grains. 



Cracticus nigrigularis. (M.654; H. 248.) Black- throated Butcher-bird. 

 Uralla, May- June, 1915. . 



(W.W.F.) Two immature grasshoppers (Locustidce) only. 



