Vol. xxix.] 26 



further over the crown, and the patch of black white-edged 

 feathers on the fore-neck below the black band much more 

 extensive, Tris brown ; bill and legs bi'oWn. Total length 

 ca. 165 mm. ; wing 75-77 ; tail 91. 



In R. dryas the wing measures 66-68 mm. 



Hub. INIouth of the Mimika River. 



The types are in the British Museum: ^, No. 1187, 

 18. iii. 11 ; ? , No. 1263, 24. iii. 11 (C. H. B. Grant). 



My I AGRA MIMIKiE, Sp. n. 



Adult male. Nearest M. latirostris, Gould, but larger, and 

 with the throat and breast paler. Iris brown ; vipper 

 mandible black, lower mandible light slate-colour ; legs and 

 toes black. Total length 153 mm. ; wing 75-76 (as com- 

 pared with 70-71 in M. latirostris) ; tail 72-75 ; tarsus 19, 



Adult female. Similar to the male, but with scarcely any 

 metallic sheen on the grey mantle, and with the throat and 

 chest much paler, merely washed with rusty. 



Hob. Mouth of the jMimika River. 



The types are in the British Museum : (^ , No. 1229, 

 22. iii, 11 ; ? , No, 1217, 21. iii, 11 [C. H. B. Grant). 



Pachycephala dorsalis, sp, n. 



Adult male. Most nearly allied to P. inonacha, G. R, Gray, 

 but with the upperparts uniform deep black instead of dull 

 brownish-black. Iris brown; bill black ; legs and toes dark 

 ash-colour. Total length ca, 160 mm.; wing 92; tail 65. 



Hab. Mimika River. 



The type is in the British Museum : (J , No. 1220, 21. iii. 

 11 (C, H. B. Grant). 



Pachycephala poliosoma appkoximans, subsp. n. 



Adult male and female. Most nearly allied to P. poliosoma, 

 Sharpe, from British New Guinea (Aroa and Mambare 

 Rivers), of which it is the western representative ; but the 

 top of the head and ear-coverts are very dark slate-grey like 

 the rest of the upperparts, while in P. poliosoma the crown 

 and car-covcrts are washed with brown ; also the fore-neck 

 and chest are uniform dark grey like the rest of the under- 



