200 BIRDS OF AUSTRALIA. 



when disturbed it flies across the plain to the belts of lofty 

 trees, when the white mark on the rump shows very con- 

 spicuously, and may be seen at a considerable distance. 



Its range extends over the whole of the interior of Southern 

 Australia from east to west ; how far it proceeds northwards 

 has not yet been ascertained. 



Of its nidification I regret to say nothing is at present known. 



The sexes, which exhibit no external differences, may be 

 thus described : — 



Head, neck, chest, and back delicate grey, becoming darker 

 on the ear-coverts ; rump and abdomen white, crossed by 

 narrow irregular bars of black ; under tail-coverts white ; 

 wings and tail black, the latter having the tips of the outer 

 and the basal portion of all the feathers white ; bill and feet 

 black, tinged with olive ; irides buffy white. 



Genus CAMPEPHAGA, Vieillof. 



Several species of this form are found in the Indian Islands 

 and Africa ; and three or four in Australia ; some of these 

 have been separated and placed in the genus Lalage, but I do 

 not perceive the necessity of such a measure. 



The CamjpepliagcB are allied to the Graucali ; but are much 

 smaller in size, and more active among the branches. 



The sexes are generally very dissimilar in colour and mark- 

 ings, while in Graucalus they are alike. The nidification and 

 the form of the nests of the members of the two genera are 

 very similar. 



Sp. 109. CAMPEPHAGA JARDINII, Rilppell 



Jardine's Campephaga. 



Graucalus tenuirostris, Jard. and Selb. 111. Orn., vol. ii. pi. 114. 

 Ceblepyris Jardinii, Riipp. Mon. in Orn. Misc. 1839, p. 30. 



Campephaga Jardinii, Gould, Birds of Australia, foL, vol. ii. pi. 60. 

 The only parts of Australia wherein this species has been 



