242 



Nose-leaf. — Anterior horizontal nose-leaf covering the end of the 

 muzzle, slightly eniarginate at the front and at the sides, sinnons in 

 section, Tn-oadest posteriorly. Nostrils surrounded by laminae; in 

 front of and between the nostrils a concave circular disc connected 

 with the front of the leaf and the base of the sella l)y low ridges 

 of membrane. Sella broadly cordiform, narrower than the nose leaves, 

 with slight wart-like prominences along its upper edge, the centre 

 slightly projecting, the base with, a faintly bisected concavity. Hinder- 

 nose-leaf with rounded margin, the front surface concave and divided 

 vertically into four cells ; posterior surface with a broad projecting 

 fold of skin. 



A l>road frontal glandular sac, situated between two warty 

 prominences. 



Ears. — Ears l)road, the tips rectangular, oiiter margin very 

 slightly concave below the tips, then slightly convex, the outer edges 

 strongly folded near the base ; extending to the end of muzzle when 

 laid forward and connected by a low ridge of skin. 



Wings and Membranes. — Wings from the tarsus ; interfemoral 

 membrane concave between the extremities of the calcanea, extreme 

 tij) of tail free. 



Skull and Teeth. — Skull most nearly resembles that of H. Incolor 

 l>ut is more elongate, the zygomata relatively narrower, the sagittal 

 crest less developed and the nasal swellings more dilated. P - is more 

 develojied and is situated well within the tooth-row : it is relatively 

 m\\i-\\ larger than the same tooth in H. galeritus. 



Measurements (from spirit specimen). — Head and body, 49; tail, 

 24; hind-foot, 7.8; tibia, 19.5; fore-arm, 47.2; third metacarpal, 34; 

 fourth metacarpal, 35.4 ; fifth metacarpal, 35 mm. 



Breadth of posterior nose leaf, 9.0 ; breadth of sella, 7.8 ; breadth 

 of horizontal nose leaf, posteriorly, 8.2 ; anteriorly, 4.3 ; height of 

 posterior nose leaf from crown, 2.75; height of sella from base, 3.7; 

 greatest length of horizontal nose leaf, 6.75 ; diameter of nasal disc, 

 3.0. Length of ear, 22; breadth, 17 mm. Cranial measurements: 

 total length, 19.7; mastoid width, 10.8; width of brain-case, 8.8; 

 zygomatic width, 9.6 ; maxillar width, 6.8 ; anteorbital width, 6.1 ; 

 width across cingula of canines, 4.3 ; length of upper tooth-row, includ- 

 mg canine, 6.8 mm. 



Specimens Examined. — One (the tvpe). 



Remarks. — The nasal disc separates this species from all others of 

 the geiius though the alisence of supplementary leaves on the muzzle 

 ;i Hit's it to H. hicoJor and H. (hrrhie. 



TUPAIA PERRUGIXKA PEXAXGEXSIS, splsp vor. 



Type. "Adult male (skin and skull). No. 1445/11, Selangor 

 Museum. 



Collected at Telok Bahang. Penang Island, on the 2nd April, 1911, 

 bv E. Seimund. 



