192 Sin. J. lewis bonhote on [Mar. 6, 



4. SCOTOPHILUS CASTANEUS Horsf. 



Lakon, Chingrnai. 



a. <3 ad. sk. 25th April, 1898. 



6. 2 ad. sk. 10th March, 1898. 



This specie* is smaller than the true 8. ku/iii, and is ot a 

 uniform chestnut all over, showing no tendency to become lighter 

 below. Tlie Museum also possesses three specimens of it collected 

 by Mr. Stanley Flower in the Malay Peninsula. 



Dimensions : — 



3 . Head and body 68 mm. ; tail 41 ; hind foot 8 ; ear 12. 

 2 . Head and body 70 mm. ; tail 43 ; hind foot 9 ; ear 13. 



The average length of the forearm of the 5 specimens in the 

 Museum is 50-7 mm., the lengths ranging from 49-52 ; the average 

 length of 8. JcuhUi is 60*5, showing a variation from 58-63. 



5. Tupaia belangeri (Wagner). 



Nan. 



a. 6 ad. sk. 10th April, 1897. 



b. tf ad sk. 5th July, 1897. 



c. d. 6 ad. sk. 3rd & 4th Aug., 1897. 



e-h. 2 ad. sk. 4th, 8th, & 19th Aug., 1897. 



Chingmai. 



i. 6 ad. sk. 24th Feb., 1898. 



I; I 6 ad. sk. 22nd March, 1898. 



m. 2 ad. sk. 25th Feb., 1898. 



These are true T. belawjeri and not T. ferruginea. 



6. Helictis pehsonata (Greoffr.). 

 Nan. a-c. $ ad. sk. Nov. 18!»7. 



These specimens form a valuable and much needed addition to 

 the series of skins of this genua already in the Museum. 



7. Petaumsta lylei, sp. n. (Plate XV 111.) 



(ieneral colour above hoary, each hair varying from dark brown 

 to rufous at its base, succeeded by a band of white and a black tip. 

 Colour of the hair rather more rufous on the head. Tail slightly 

 longer than head and body, and black throughout its length but 

 lighter at its base. Ears covered with bright red short hairs over 

 their anterior half and long black hairs on the remainder ; these 

 latter hairs spreading on the sides of the neck to form a dark patch 

 behind the ear. Feet and edge of the parachute deep black : 

 shoulders, thighs, and upper portion of membrane strongly grizzled 

 with rufous. Underparts rich chestnut, brighter on the membrane. 

 Hairs with a tendency to a white tip, especially towards the median 

 line ; underpart of chin, whiskers, and tip of nose dark brown. 



The skull shows no marked differences from that of the other 

 allied species except in its larger size. It is rather rounder and 

 deeper : the nasal bones, which are widened anteriorly, extend 



