new Mammals from the Mahijj Peninsula. 233 



Cranial measurements : palatal length 9'-4 (9 9*); lachrj'^- 

 mal breadth of rostrum 4 2 (4"4) ; greatest breadth above 

 molars 7*0 (7'3) ; maxillary tooth-row, including incisors, 

 lO'l (lO'l) ; mandibular tooth-row, including incisors, 

 9-0 (9-3). 



Specimens examined. — One, the type. 



Hemarks. — The pale coloration sufficiently separates this 

 form from the other local races, while the maxillary tooth- 

 row is relatively longer than in C. malayana, which it 

 approaches in size. 



Tupaia ferruginea opei'osa, subsp. n. 



Ti^pe.—kAwM female (skin and skull). No. 93/13, Fede- 

 rated Malay States Museum, collected on Koh Samui, N.E. 

 Malay Peninsula, 12th May, 1913, by H. C. Robinsou and 

 E. Seimund. Original no. 5335. 



Characters. — A small dull -coloured species resembling 

 T.f. wilkinsoni-\ from the adjacent mainland, but smaller, 

 in that respect closest to T. f. obscura ^ from the Redang 

 Islands, but with a shorter rostrum. 



Colour. — Entire upper parts a speckle of ochraceous buff 

 and black, brightest on the rump and thighs. Shoulder- 

 stripe very slightly marked. Under surface rich buff. Tail 

 like back above and below, but more coarsely annulaitcd, 

 lacking any pale median area on the lower surface. 



Skull. — As in T.f. helantjeri and T.f. obscura, but with a 

 slightly shorter rostrum. 



Measurements. — Collectors' external measurements (taken 

 in the flesh) : — 



Head and bodv 163 (180 §) mm. ; tail 155 (175); hind 

 foot 40 (42) ; car 17. 



Cranial measurements: greatest length 47 2 (51*8); basal 

 length 40-5 (11-9) ; palatal length 214 (280) ; palatal 

 breadth at anterior molar 81 (9'5) ; zygomatic breadth 

 23-8 (25-9) ; least interorbital breadth 12^-9 (14 5) ; cranial 

 breadth 18'9 (20"9) ; breadth of rostrum at diastema G'5 



* Measurements in parentheses are those of the type of Crocidura 

 malayana from Maxwell's Hill, Larut, Perak, 3300 ft. ; 'Federated Malay 

 States Museum, No. 1801/11. 



t Robinson & Kloss, Journ. Fed. Malav States, iv. p. 173 (1911). 



I Kloss, Ann. & Mag. Nat. IJist. (8; vii. p. lUi (1011). 



§ Measurements in parenthes^^s are those of the type of T.f. wilhtn- 

 soni from Ko Khau, Traug, Siamese Malay States; Federated Malay 

 States xMuseum, No. 1138/10. British Museum no, 12. 10. 7. 1. 



