New Guinea and neighbouring Islands. 2613 



<■■ 



Stenomgs* ai-rogans, sp. n. 



A medium-sized species, with a remarkably swollen braiii- 

 cuse. 



Head and body 120 mm. ; tail 125 ; hind foot 25-5. 

 Skull, len<^th 3-4, breadtli of brain-case 15'5. 



I lab. Doormanpad-bivak, 2100 m. (IF. C. can Ileum). 



Ti/pe. Female. B.M. no. 22. 2. 2. 24. Origiual num- 

 ber 1U6. 



Melomys rattoidesj sp. n. 



A large species, with close glossy fur. and long slender 

 skull. 



Head and body 210 mm.; tail IGO; hind foot 41. Skull- 

 length 48"5. 



JJab. Mamborano Iliver (IF. C. van Ileum). 



Type. Male. B.M. no. 22. 2. 2. 25. Original number 22. 



Melomys lanosus, sp. n. 



A soft-haired species, rather smaller than rattoides. Colour 

 greyish.* 



Head and body 175 mm.; tail 113; hind foot 3()"5. 

 Skull-length 42. 



Hah. Doormanpad-bivak [W. C. van Ileum). 



Type. Female. B.M. no. 22. 2. 2. 27. Original num- 

 ber lyo. 



Melomys rubex, sp. n. 



Size small. General colour rufous. Under surface washed 

 with ])ale rufous-grey, no hairs white to the base. 



Skull slender, smooth, not ridged. 



Head aiid body 132 mm. ; tail 130; hind foot 29. Skull- 

 lencrth 34-2. 



* A uew yeuus reluted lo IStenomys is: — 



Nesoromys, gen. nov. 



Genotype : N. ceramicus {Stenomys ccramicus, Tlios. Ann. & Mag. Nat. 

 Hist. (U) vi. 1). 4l>o, rj^!0). 



Distinguishable Iroui Stenomys by long nanow muzzle ; palate extended 

 backwards nearly hallway i'rom back of m^ to front of bulla ; palatal 

 foramina far forward in front of molars ; masseteric knob nearly halfway 

 up the front edge of the zygomatic plate ; and with unusually formed 

 pterygoids. 



The peculiar characters of the Ceram representative of Stenomys were 

 not sulHciently appreciated when 1 described the species, and 1 now 

 think it should form a special genus. 



