4 MR. R. I. POCOCK ON THE 



The Facial vihrissce are generally well developed, consisting of 

 mystacial, submental, superciliary, subocular, and genal bristles, 

 two pairs of genal tufts being frequently pi'esent. The superior 

 tuft is situated either high up about halfway between the eye 

 and the ear but at a lower level, as in an example of Tragulus 

 stanlei/anus, or below the corner of the eye, as in a specimen of 

 T. kanchil. The infeiior tuft, represented by a single bristle, 

 arises some distance behind the corner of the mouth. Both tufts, 

 however, are not always present. "When they ai'e present, the 

 full complement of vibrissse coincides with that of some small 

 Cervida? and Bovidaj and, as I have elsewhere i-emarked, with 

 that of typical Carnivora. The submental vibiissse ai'e arranged 

 in definite lines. The interramal tuft, which is of special interest, 

 is described in the following paragraph. 



The Interi-amal gland. — In Moschiola (text-fig. 2, B) the chin 

 and interramal area are covered with hairs which are short on the 

 chin and gradually become longer on the throat, without showing 

 any sharp line of demarcation. The interramal tuft of vibrissse, 

 consisting of two pairs of bristles, sometimes with an additional 

 median one, is set in the posterior half of the interramal area. In 

 Hijemoschns (text-fig. 2, A) the chin is scantily covered with fine 

 short hairs sharply defined from those of the throat, which are 

 longer than in Moschiola. The interramal vibrissfe, consisting of 

 two or three pairs of bristles and one unpaired, making five or 

 seven in all, form a cluster as in Moschiola. In Tragulus (text- 

 fig. 2, C, D) the chin is even more scantily hairy, apart from the 

 submental vibrisspe, than in Hyemoschtis, but it is not naked as 

 described originally by Gi-ay and recently by Lydekker in his 

 Catalogvie, although it appears to be naked when examined by the 

 naked eye. Behind the chin there is a tongue-shaped area of 

 skin, covered, like the chin, with short hairs and extending back- 

 wards along the middle of the interramal area as far as the 

 interramal tuft of A'ibi-issae which is set at its posterior edge. 

 This tract of skin overlies a cutaneous gland which is sometimes 

 so thick posterioily that in profile view it forms a swelling 

 projecting well below the inferior edges of the mandibular rami. 

 The presence of this gland, which has been noticed by previous 

 authors, serves to distinguish Tragulus from Moschiola and 

 Ilyemoschus . 



In an adult male of T. stanleyanus (text-fig. 2, D) there was 

 only a single pair of interramal vibrissse arising near the posterior 

 edge of this gland. In one example of T'. kanchil there were 

 five vibrisspe arranged in a transverse roAA'. In another example 

 of the same species there Avere three pairs of these vibrissa, and 

 in one example of T. javanicus the arrangement and number of 

 the vibrissse were the same as in the last-mentioned example 

 of T. kanchil. A second example of T. javanicus (text-fig. 2, C) 

 showed two pairs of vibrissse and one bi'istle in the centre of the 

 area circumscribed by them. 



The external Ear (text-fig, 1, C, D) is small in all cases, but 



