A THIRD COLLECTIONS OF SIAMESE MAMMALS. 293 



from Siam to Selangor) tlie best, to be said of it is liiat tlie dark mark- 

 ings are blacker while the gri^y animals are gre^-er ai)d the biifiy 

 examples much less buffy or brownish than any of tlie Suiitliern ani- 

 mals. Of P. h. kermophroditus immature examples are the mcsl richly 

 coloured, some being suffused with ochraceous ; but 1 have taken no 

 account of them in my comparison. 



Tlie form ravus extends northwards from I'cilis and I'.ilani but 

 Nortli Siam animals have been named P. h. laolnin by (lyldenstolpe 

 (op. cit. p. 2(5, p. iv, figs. 2 and 4) on account of supposed greater size. 



Measurements of No. 2178. Head and body, o27 ; tail, 52'J ; 

 hind-foot, s. u., 81. Skull: greatest length, 102; basal lengtli, yj.o ; 

 zygomatic breadtli, 54 ; maxillarj- tooth-row exclusive of inci.surs 

 ( alveoli ), 38 mm. 



8. Arctictis binturong binturoug'. 



Vinrra .' hhitiimih/ HiilHcs. Tiaiis. Linn. Sue, xiii, p. 2."):i (lM21). 



1 6 ad. Bang Nara, Patani, Peninsular Siam. Mr. C. J. Aagaard. 

 [No 2574]. 



Colour black ; head grizzled with white ; limbs and. to a less 

 degree, the upjier parts of the body gri/.zled with butfy ; median line of 

 the undersurface grizzled with ochraceous ; anal region and base of tail 

 buffy, rest of tail black. Eus fringed with bntfy and with long black 

 tips. \'ibrissae black and white. 



Total length (nose to tail tip) 1077 mm. (5ft. Oiii). 



Skull: greatest length, 146; condylo-basal length, 141 ; zygoma- 

 tic breadth, 86; nasals, mesial length, 26. breadth at middle, 12.5; 

 interorbital breath, 37 ; tip to tip of postorbital processes, 54 ; breadth 

 immediately behind the latter, 46 ; breadth at fronto-])arietal suture, 

 41 ; greatest posterior breadth on ridges, 60 ; height of crown from 

 jiosterior i)alate, ■[■7.0 ; palatal length, 77 ; breadth of jiosterior jialate, 

 20.5; maxillary tooth-row exclusive of incisors (alveoli), 4G : mandibu- 

 lar tooth-row, 57. 



Having compared a skull (in-esumably male) of a Bear-Cat from 

 Sai Yoke, W. Siam, with a male skull from I'erak, Malay States, 

 Thomas decided that the former represer.ted a distinct form w liicli he 

 named Arctidis ijairdneri ( Ann. and JIag. (8). xvii, p 270 ) on account 

 of larger size (greatest length of skull 153 mm ) and differences in the 



VOL II, HEC. 1I>U. 



