.^02 



Mr. R. 1. Pocock on Scorpiones and 



(^ . — Strikingly different from male of Camhridgei and 

 approaching that of forcifula in the nature of its sexual 

 characters. Tail incrassate to the middle of the fifth segment : 

 width of the fourth and fifth considerably more than half 

 their length, the whole tail about 6^ times the length of the 

 carapace ; the finger and hand as long as the first two 

 segments and one third of the third, and only a little more 

 than twice the length of the carapace; vesicle granular below 

 and about equal to the brachium in width. 



Fig. 1. — Hand and forearm of THi/un Cambridgei cT. 



Fig. 1 a. — Posterior end of tail of ditto. 



Fig. 2.— Hand and forearm of T. mHuendus J. 



Fig. 2 a. — Posterior end of tail of ditto. 



Fig. 3. — Vesicle of T. silventrk. 



Fig. 3 a. — Ditto of T. paraguayensis, Kraep. 



Chela moderately elongate; brachium not four times as 

 long as wide ; hand much exj)andtd, much wider than 

 brachium, its width about two thirds the length of the hand- 

 back ; the movable digit strongly lobate at the base, the 

 immovable sinuate, leaving a narrow space between them 

 when closed. 



Tectinal teeth 20-21. 



