46 THE AUSTRAL AVIAN RECORD [Vol. I 



1006a. Colluricincla harmonica zamba, subsp. n. 

 Kangaroo Island Grey Shrike-Thrush. 



Differs from G. h. victor ice in having a darker rump and 

 head, and it is also dark below. 



Type, Kangaroo Island, South Australia, No. 10,183. 

 Range, Kangaroo Island. 



-v 1011a. Colluricincla brunnea parr yl, subsp. n. 

 Western Brown Shrike-Thrush. 



Differs from C. b. brunnea in its very much paler general 

 coloration. 



Type, Parry's Creek, North-west Australia, No. 2,502. 

 Range, North-west Australia. 



1015a. Colluricincla parvula alligator, subsp. n. 

 Allied Little Shrike -Thrush. 



Differs from C. p. parvula in its lighter upper-surface 

 and longer bill. 



Type, Alligator River, No. 4,218. 

 Range, Western Northern Territory. 



1037a. Cracticus nigrogularis tormenti, subsp. n. 

 Western Pied Butcher-Bird. 



Differs from C. n. picatus in having a stouter and longer 

 bill and longer wing. 



Type, Napier Broome Bay, North-west Australia, 

 No. 5,599. 



Range, North-west Australia. 



1042a. Cracticus torquatus colletti, subsp. n. 

 Allied Silver-backed Butcher-Bird. 



Differs from the type of C. t. argenteus in its altogether 

 smaller size and in having much less white on the tip of 

 the tail ; wing 140 ; culmen 37 ; tarsus 30 mm. 



Type, Northern Territory, No. 10,162. 



Range, Northern Territory. 



