350 THE BIKDS OF AUSTRALIA. 



The Butcher-bird, C. destructor. Eastern Australia. Has the upper 

 surface of a dull brownish ashy-grey, with darker brown shaft streaks, 

 and is without the conspicuous white patch on the wing. The female 

 browner and more dingy. 



The Grey Butcher-bird, C. cinereus. Tasmania. Generally like preceding, 

 but with even less white on the wing, and rather browner above and 

 on flanks. 



Suh-famihj PachycephaUna. 

 Bill rather strong, culinen slightly curved, notched. Nostrils 

 in a groove, with an imperfect operculum and beset with small 

 feathers. Austro-Malaysian and Polynesian subregions. 



Key to the Genera. 

 With a crest of feathers. 



Upper breast yellow. Falcunculus. 



Upper breast brown. Oreoica. 



Without a crest of feathers. 



Bill at nostrils broader than high Eopsaltria. 



Bill at nostrils equal in breadth and height. Pachycephala. 



Genus Falcunculus. 

 Bill strongly curved and toothed, laterally much compressed. 

 Nostrils basal. Crown with a well-developed crest. Sexes 

 nearly alike in plumage, which contains much yellow; female 

 less brilliant. Australia only. Shrike-Tits. 



The Yellow-bellied Shrike-Tit. 



Falcunculus frontatus. 



All Eastern Australia and South Australia. 



General colour above greenish -yellow, with a tinge of grey; upper 

 tail-coverts yellow, tinged with greenish; tail feathers grey, with large 

 white tips; forehead, sides of head above the eyes, and occiput white; 

 the feathers of the crown of the head deep black, forming an erectile 

 crest; a broad black stripe from the outer edge of the eye over the ear; 

 the deep black throat and foreneck separated from this stripe by a broad 

 white one; the whole under-surface of the body bright yellow, the breast 

 shining yellow; bill black, feet bluish-black. Total length 7 inches, culmen 

 .75, wing 3.7, tail 3.4, tarsus .85. Female a little smaller, the colouring 

 more subdued. 



The White-bellied Shrike-Tit. 



Falcunculus leucogaster. 

 Western Australia. 



Very like preceding but rather smaller, and differing in having the 

 lower part of the breast, the whole abdomen and the flanks entirely 



