ACANTHODOX. 163 



from the posterior laterals ; anterior laterals more prominent than 

 in A. crassv.s. 



Measurements in mm. Total length 20, length of carapace 10, 

 of 1st leg 19, of 4th leg 23. 



LOG. Bombay (Phipsori). 



133. Acanthodon constructor, sp. n. 



$ . Colour as in A. opifex. Carapace with ocular tubercle 

 elevated in front as in A. crassus ; eyes of posterior line unequally 

 spaced, the medians a little more than two diameters apart, and 

 about one diameter from the laterals, about the same distance from 

 the anterior medians to which they are subequal in size ; the anterior 

 medians about a diameter apart, their posterior edges on a level 

 with the anterior edges of the posterior laterals. Labium with a 

 marginal row of 4-5 teeth, and some smaller ones behind them. 

 Coxa of 4th leg furnished beneath with a median longitudinal band 

 of short spinules ; tibia of 3rd leg short and thick, as wide as 

 long. 



c? . Colour as in $ , but tarsi and protarsi of legs clear yellow. 

 Eyes more compact ; posterior medians about two diameters apart. 

 First leg with tibia incrassate, armed externally with 8-10 spines, 

 internally in its basal half with 3 spines, and at the apex with 

 2 spurs, the proximal conical, the distal stout, but with the apex 

 pointed and directed forwards and upwards ; protarsus slender, 

 concave in its basal half, armed with many spines below, and with 

 a submedian conical spur. Tibia of palp inflated, furnished 

 distally on the outer side with a cavity bordered above by a 

 complete semicircle of short spines ; tarsus with a conical external 

 process : spine of palpal organ broad at base, slender and bent 

 distally with blunt tip. 



Measurements in mm. $ . Total length 19, carapace 8, 1st leg 

 14, 4th leg 17. 6 . Total length 12, carapace 6, 1st and 4tb 

 legs 20. 



Loc. S. India : Chingleput (Jamlunathan) ; Yercaud in Shevaro 

 Hills (Henderson-). 



134. Acanthodon fortis, sp. n. 



$ . Eesembling A. constructor, but much larger ; and with the 

 eyes of the posterior line widely and subequally spaced, the 

 medians nearly three diameters from each other and from the 

 laterals ; anterior medians large, less than a diameter apart; 

 posterior medians about their own diameter from the anterior 

 medians ; posterior laterals large, elliptical, set far forwards, so that 

 their anterior rims are on a level with the centres of the anterior 

 medians. 



Measurements in mm. Total length 32, carapace 14, 1st leg 26 

 4th leg 32. 



Loc. India (Godfry, type ; Hardwicke). 



M2 



