3S6 



ON A SEW SPIDER FROM BORNEO. 



[Apr. 3, 



the Spider a chelifer-like appearance. Beneath each tibia, towards 

 its distal end, are three pairs of strong black spines, directed 

 forward. The metatarsus, which can be closed upon the tibia, 

 bears two pairs of shorter black spines directed backward. One 

 pair is beneath the middle of the joint, and the other near its 

 distal extremity. 



Fig. 2. 



Ocular area of Mantisatta trucidans. 



Tig. 3. 



Mantisatta trucidans in profile. 

 Fig 4. 



Under surface of anterior part of Mantisatta trucidans, with enlarged 

 view of epigyne. 



The other legs (4, 2, 3) are small and weak, and do not appear 

 to be adapted for leaping. 



The whole Spider is exceedingly pale — almost white — in colour, 

 at all events as it appears after immersion in spirit. Dorsally it is 

 variegated by a pattern marked out in faint dusky lines and dots. 

 On the cephalothorax there are two dark patches between the third 

 pair of eyes, and the second, third, and fourth pairs of eyes are on 





