189 



Céphalothorax. — The ocular spots are very small and indislincl. The 

 céphalothorax is much longer than broad behind, and shows no trace of transverse 

 division, but tlie "head" is nevertheless well marked out, being much darker tlian 

 the hinder i)art of the cephalotliorax and more raised. The skin is almost smooth 

 and provided witli rather short liairs, whicli are not quite simple. 



Abdomen. — The abdomen has a very characteristic appearance, being pale 

 without distinct sclerites, with almost parallel sides, and 2-5 longer than broad ; the 

 longitudinal line is scarcely visible on account of the obsolete sclerites; liairs were 

 not discovered, but certainly occur. The genital area appears similar to that of 

 Ch. Birmanicus Thor. 



Antennae (PI. IV, fig. 8 a). — The flagellum consists of four hairs, of which 

 the anterior longer one is provided with marginal teeth; the lamina interior pos- 

 sesses three dentated lobes and a long serrated terminal spine; the serrula exterior 

 consists of about 20 teeth, of which the basal one has an almost triangular ter- 

 minal flap. The galea, which does not extend beyond the terminal hair, has at 

 least a single tiny tooth near to the tip (fig. 8 a). 



Maxillae. — The smooth maxillae have very broad, exteriorly distinctly 

 serrated laminae. 



Palps (PI. IV, fig. 8b; fig. 21, p. 189). — The palps, which are shorter than 

 the body, are partly smooth, partly minutely granular; at least the troclianteral 

 tubercles, the anterior surfaces of the femur and tibia as well as the hand laterally 

 at the base of the finger are granular. The hairs, which are not 

 very abundant, are moderately long, stiff and with a few terminal 

 teeth; those of the trochanteral tubercles are longer than the rest; 

 the long, slender and simple hairs of the tibia, femur e. t.c, which 

 are found in species which are related, are not present — perhaps 

 missing — ; the fingers are provided with tactile hairs and sense- 

 spots, which seem in the main to be arranged in the following 

 way. The immovable finger has anteriorly two basal, one median 

 and one more terminal tactile hair in addition to a number of 

 spots between the two basal hairs; posteriorly two basal, one median 

 and one teriuinal tactile hair, in addition to which at least two 

 sense-spots are found. The movable finger seems not to bear any 

 sense-spots anteriorly, but has posteriorly at least two basal sense- 

 spots in addition to four tactile hairs, placed longitudinally from 

 the base towards the middle. The trochanter, which has a rather 

 long and well defined stalk, is 1'4 longer than broad and narrower 

 than the femur; its anterior margin is beyond the stalk very moderately convex; 

 its posterior is beyond the stalk abruptly produced into a triangular process, which 

 is rounded and more evenly slanting towards the tip than towards the stalk ; the 

 dorsal surface is produced into a very high, rounded tubercle, which is directed 

 upwards and backwards, being so high, that the trochanter is distinctly deeper 



Fig. 21. Cli. vermi- 

 formis ii.sp.;o'; i*^ft 

 palp from anterior 

 side; x 48. 



