MISCELLANEOUS NOTES 253 



No. IV. A New Bat from Siam. 



By Oldfield Thomas, f.r.s. 



(T?i'pnntt>d from .l.min. V. M. S. Miispuni, VII, p. 1). 

 Fp'esiriis (liniissiif:, sp. iiov. 



Fptesii'tis jviclii/otis, Robinson & Kloss, Jourii. Fed. Malay States 

 ^[us. \. 11. lIG(I9!i). 



'J'l/l'c. 9 in al. Kao Nawng, Baiulon, Malay Peninsula 3,500'. 

 .Tune 191 --J. F. M. S. Mas. No. 522/13. Collected by H. C. Kobinson 

 and E. Seimund. 



A niediuin-si/.ed species related to 7?. jviclu/otis. Size rather 

 greater tiian in E. pidiijotis. Body proportionally rather larger com- 

 pared with the wings. Fur short ( hairs of back about 3 lum. in 

 length), rather sparse, mostly confined to the body except on the 

 interl'emoral, on a triangle at the base of the tail. Colour chestnut 

 brown above, lighter below, the hairs of the mesial area of the under- 

 surfaca broadly tipped with dull whitish or bufly. Ears short, rather 

 narrow, inner base with a rounded basal lobe ; inner edge slightly 

 convex, tip rounded off, outer edge straight above, convex lower down, 

 with a low antitragal lobe. Tragus short, its inner margin, which is 

 scarcely longer than its breadth, slightly concave, tip rounded, outer 

 margin convex with a fleshy basal lobe. Wings to the middle of the 

 metatarsals. A distinct post-calcarial lobule. 



Skull broad and stoutly built, with a well marked occipital 

 " helmet." Upper incisors with less disparity in size than in the allied 

 species, the tip of the outer attaining three fourths the height of the iti- 

 ner, the latter rather small but still of the characteristic Eptesirii^ shape, 

 parallel sided, bicuspid terminally ; the outer tricuspid, oblicpiely 

 concave. Last lower molar with its posterior jjortion nearly equal to the 

 anterior part in area, and similar to it, as in most of the smaller species 

 of the genus. 



Dimensions of the type, measured on the spirit species. 



Forearm, 42 mm. 



Head and body, 57 ; tail, 39 ; ear, li ; tragus, length on inner 

 edge 8, width 2-3. Third finger ( epiphyses not fully ossified ), 

 metacarpus 39 ; first phalanx 15 ; lower leg and hind foot with claws, 

 25.5 mm. 



Skull, greatest length 17.1; condyle to front of canine 15.8; 

 basi-sinual lengtii, 12.1 ; palato-iinual lengtl), G.3 ; front of cannine to 

 back of ni'-^. (j.2 mm. 



llahiiid and 7'///"'. as above. 



This bat has been determined as R. pnrhi/otis Dobs, of Assam, 

 to which it is no doubt closely allied. Hut it may be distinguished by 

 its larger size (the type being barely adult ), the attachment of wing 

 membrane to the middle of the metatarsus instead of to the base of the 

 toes, and by its propoi-tionally much larger outer upper incisor. 



vol,, II, M.W li'ir. 



