1889.] Continental India, Burmah, and the Malay Peninsula. 



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9. Theltfhonus saxatilis, n, sp. 



<J . Cephalothorax, cheliceres, and abdomen black ; first pair of 

 legs reddish-black, except tlie tarsal joint, which, with the three other 

 pairs of legs, is bright red ; tail reddish-brown ; below, the first joint 

 of cheliceres black tinged with red ; sternum and base of legs red ; legs 

 the same colour as the superior surface ; abdomen reddish brown. 



9 . Resembles the male in colour. 



Immature animal. Cheliceres reddish-brown turning to pink on 

 the last two joints ; cephalothorax and abdomen dark oliTO-brown ; 

 first pair of legs olive, except the tarsal joint, which, with the three 

 other pairs of legs, is pale red ; below, uniform pale red, except the 

 base of the cheliceres, which is reddish-brown. 



Length I'l inch ; cheliceres of male, "5. 



Structure, S . Second joint of cheliceres punctured all over, the 

 exterior- front corner wrinkled, the anterior and latei'al edges with a 

 a few obsolete teeth, varying in number, one spine below ; third joint 

 punctured on the upper surface, granulated on the inner, and one blunt 

 spine below ; fourth joint nearly smooth, merely with a very few 

 punctures, no spine below, apophysis long and cylindrical, constricted 

 in the middle, rather swollen at the end with a tumid process on the 

 inner side near the tip (Fig. 9) ; fifth joint large, nearly entirely smooth, 

 fixed finger short and triangular, serrated on the outer edge, nearly 

 smooth on the inner; movable finger rather long, curved throughout, 

 the inner edge festooned and serrated. 



Cephalothorax densely granulated, the space between the lateral 

 and frontal eyes rather swollen. 



First lower abdominal segment entire, rounded posteriorly. 



Structure, ? . Cheliceres much shorter than in the male but simi- 

 larly punctured, etc. ; second joint with five sharp distinct teeth on the 

 front and internal edges and two spines below ; third joint with one 

 long spine below ; fourth joint with a spine below and a triangular 

 apophysis with a few spines or teeth on the inner edge and densely 

 serrated on the outer ; fifth joint narrow and feeble, fixed finger trian- 

 gular, serrated on both edges, movable finger curved, sharply pointed 

 and servated on the inner surface. 



First lower abdominal segment entire, sharply protruding posterior- 

 ly in a blunt point. 



This species is very common at Thayetmyo in Burma being found 

 under stones and bricks and in mud walls. Mr. D. K. Macdonald of 

 the Public Works Department collected large numbers of this animal 

 for me at that place. 



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