31 



GENUS SPHENOSTOM A. Crested. 



242. S. cristatum, Old., Wedge-bill. 



General colour above uniform earthy-brown ; outer tail feathers 

 dark brown, with large white tips ; under parts dingy white, washed 

 with greyish-brown ; feathers of occiput prolonged into a long crest. 

 8exes alike. 



Total length, 6 "5 in. ; bill, 0'5 in. ; wing, 3 '2 in. to 3 '4 in. 

 Hab. : (J), 6, 7. 



FAMILY LANIID.^. 



Insectivorous birds ; bill strong, black or brown, notched and hooked ; 

 culmen curved or culmen straight with hardly any hook and notch, 

 colour bluish- white ; nostrils variable. 



SUB-FAMILY GYMNORHININ^E. 



Nostrils placed almost midway between base and tip of bill, formed by a 

 longitudinal slit, quite bare of feathers or bristles. 



GENUS GYMNORHIN A. Bill pointed and slightly hooked. 



243. G. tibicen, Lath., Black-backed Magpie. 



Black band across white back ; throat and breast black. 

 Hab. : 3, 6, 7. 



244. G. leuconota, Old., White-backed Magpie. 



Whole of back pure white, like neck and rump ; throat and breast 

 black. Female, back not pure white. 



Young. Whole of back clouded with grey. 

 Hab. : 4, 6, (8), (9). 



245. G. dorsalis, Campbell, Long-billed Magpie. 



Trans. Roy. Soc. Vic., 1895, p. 206. 

 Hab. : 9 



246. G. hyperleuca, Old. (G. organicum), Lesser White-backed Magpie. 



The Tasmanian form of G. leuconota. It is not recognized in the 

 British Museum Catalogue as a good species. In it the adult male 

 has culmen T7 in. ; wing, 9'3 in. ; tail, 5'75 in. 

 Hab. : 5. 



GENUS CRACTICUS. Bill strongly hooked. 



247. C. quoyi, Less., Black Butcher-bird. 



All black. Total length, 14 '5 in. 

 Hab. : 1, 2. 



248. C. nigrigularis, Old. (C. robustus, Lath.), Black- throated 



Butcher-bird. 



Belly white ; throat black ; centre of back black, separated from 

 head by white collar ; tail coverts covering less than half tail. 



Total length, 13 in. ; culmen^ 1*9 in. ; wing, 7'1 in. 

 Hab. : 1, 2, 3, 6, 7, 8. 



249. C. picatUS, Gld. (sub-sp. of C. nigrigularis), Pied Butcher-bird. 



Total length, 11 in. ; culmen, 1*5 in. ; wing, 6*5 in. 

 Hab. : 1, 8. 



250. C leilCOpterilS, Gld., White- winged Butcher-bird. 



Throat white ; back bluish-grey ; flanks brownish ; sides of upper 

 breast grey, contrasting with head, which is deep black. 

 Hab. : 9. 



251. C. argentCUS, Gld., Silvery-backed Butcher-bird. 



Belly white ; throat white ; flanks and sides of breast pure white, 

 like rest of under surface ; back silvery-grey. 

 Hab. : 1. 



