264 New Afammah from New Guinea <Scc. 



Uah. Doornianpad-bivak, N.W. New Guinea {W. C. van 

 IJenrn^. 



Type. Male. B.M. no. 22. 2. 2. 44. Original number 90. 



Hydromys esox tlluteus, subsp. n. 



Like esox, but greyer and less suffused with fulvous. 

 Head and body 2G0 mm.; tail 215; hind foot 50-5. 

 Skuii-leniTth 48-5. 



Jfal>. Iilenburg River (TF. C. van Ileum). 



2'ype. Male. B.M. no. 22. 2. 2. 61. Original number 45. 



Dorcopsis hageni caurina, subsp. n. 



Like hageni, but the colour browner and the sides as dark 

 as the back. 



Head and body 640 mm. ; tail 440 ; hind foot 143. Skull- 

 lenoth ]44. 



Hah. Mamberano River ( TF. C. van Heurn). 



Type. B.M. no. 22. 2. 2. 6.3. Original number 218. 



Dorcopsis vanlieiirni, sp. n. 



Allied to D. macleayi, but smaller and with finer, softer fur. 



Head and body 390 mm. ; tail 300 ; hind foot 100; ear 35. 

 Skull-length 82. 



J/ab. Doorniaiipad-bivak ( TF. C. van Ileum). 



Type. Adult female. B.M. no. 22. 2. 2. G4. Original 

 number lO. 



Pseudochirus darnmermani, sj). n. 



Smallest species of the genus ; allied to P. schlegeli^ but 

 smaller, and with end of tail naked below; ears pale, not 

 blackish. 



Head and body (young) 152 mm. ; tail 173. First two 

 molariform teeth (i. 



JIab. Dutch North New Guinea. 



Tyjje. Young. B.M. no. 22. 2. 2. 69. Original number 89. 



Peroryctes dorsalis, sp. n. 



Like P. oi-natut>, but the striping on head and rumj) practi- 

 cally confined to the median line ; tail almost completely 

 naked. 



Head and body 270 mm.; tail 185 ; hind foot 54. Skull- 

 leniith 63. 



