8 E. W. Gates — On the Species of Thelypliomis mhabiting [No. 1, 



d'". Ooxse and femora of the three hinder 

 pairs of legs reddish-brown, the other 

 joints red. 



a*. Apophysis of fourth joint gently swollen 



near the tip only, rangunensis, d . 



h\ Apophysis of fourth joint greatly swollen 



over the terminal third of its length, sijlvaticus, c?. 

 g'. Apophysis of the fourth joint of the cheliceres 

 triangular, sharply pointed, serrated on both 

 edges (Fig. 2 and 8). 

 i". First lower abdominal segment broadly 



rounded posteriorly (Fig. 3) all the legs red, hinghami, 9 • 

 j". First lower abdominal segmoiat shai'ply pro- 

 truding posteriorly (Fig. 4). 



^ ivood-masoni, 9 • 



e'". All the legs uniformly red, ■< insularis, ? . 



C formosiis, 9 . 



/"'. Coxse and femora of all the legs reddish- 

 brown, the other portions red, rangunensis, 9 . 



g'". The thi'oe hinder pairs of legs uniformly 



red; the first pair reddish- brown, samtilis, $. 



1. Theltphonus assamensis. pi. II, Fig. 13. 



TheUjplwnus assamensis, Stolicuka, J. A. S. B. 1869, pt. ii, p. 205, pi. six, fig. 1 ; 

 1873, pt. ii, p. 133, pi. xii, fig. 2. 



Thelyphonus scabrinus, Stoliozka, J. A. S. B. 1873, pt. ii, p. 130, pi. xii, fig. 1. 

 Theliphonus psittacinus, Butler, Cist. Ent. vi, p. 129, pi. v, fig. 2 (1873). 



^. Cheliceres and cephalothorax black; abdomen black tinged with 

 red ; legs and tail very deep red ; below, first joint of cheliceres black 

 with a rufous tinge ; cephalothorax, abdomen, and legs deep blood-red. 



5 . Similar in coloration to the male, but with the cheliceres slightly 

 tinged with red. 



Lnmafure animal. Entirely dull reddish, the legs tinged with 

 olivaceous brown. 



Length 1'7 inches ; cheliceres '75 inch. 



Many animals of this species are of an uniform madder-brown 

 colour and this is probably the normal colour immediately after the 

 change of skin. Analogous cases occur among the scorpions. 



Structure, d . Cheliceres densely and coarsely granulated in every 

 part ; second joint with five teeth on the front and lateral edges, always 

 distinct, two largo spines below ; third joint with a very long sharp 

 spine below ; fourth joint very large, with a small Spine below and a 



