94 THE AUSTRAL AVIAN RECORD [Vol. I 



995a. Artamus person atiis munm, subsp. n. 

 Masked Wood-Swallow. 



Differs from A. p. personatus (from South-west Aus- 

 tralia) in having the black of the forehead much more 

 pronounced and in having a thicker bill. 



Type, New South Wales, No. 7,300. 



1011b. Colluricincla brunnea roebucki, subsp. n. 

 Little Brown Shrike-Thrush. 



Differs from C. b. parryi in its general earth-brown 

 coloration and smaller size (wing 118 mm.). 



Type, Roebuck Bay, North-west Australia, No. 10,998. 

 Range, Mid-Westralia. 



1012a. Colluricincla rufiventris murchisoni, 

 subsp. n. 



Murchison Buff -bellied Shrike-Thrush. 



Differs from C. r. rufiventris in having a brown back, 

 not slate-blue ; the throat is brown and the belly has 

 no white. 



Type, East Murchison, Westralia, No. 3,896. 



Range, Mid-Westralia (East Murchison). 



1015b. Colluricincla parvula conigravi, subsp. n. 

 Western Little Shrike-Thrush. 



Differs from C. p. alligator in its larger size and lighter 

 under-surface. 



Type, Admiralty Gulf, North-west Australia, 

 No. 13,048. 



Range, North-west Australia. 



1032a. Cracticus quoyi jardini, subsp. n. 

 Cape York Black Butcher-Bird. 

 Differs from C. q. rufescens De Vis (black phase) in 

 its absolutely larger size, and from G. q. spaldingi in its 



