Scorpions of the Genus Tityus. 



515 



4 enlarged. Vesicle a little wider than bracliium, but narrower 

 than hand. Chelae not elongate, width of brachium almost 

 half its length, its length just exceeding that of the carapace; 



Figs. 3, 3 a. — Last three segments of tail of T. macrochirus (^ . 

 Fig. 3 b. — Hand and brachium of T. macrochirus (£ . 

 Fig. 4. — Lower side of tail of T. magnimanus S • 

 Fig. 4 a. — Brachium and hand of T. magnimanus J . 



hand large, its width nearly equal to the length of the hand- 

 back and not much less than the length of the first caudal 

 segment ; hand-back about half the length of the movable 

 digit ; the digits separated basally, sinuate and lobate. 



Coxae and abdominal sterna only very feebly granular. 



Pectinal teeth 19 (male and female). 



$ . Young, 45 millim. in length, resembles the male in 

 other than sexual characters. Tail a little narrowed poste- 

 riorly ; vesicle a little narrower than the hand and brachium, 

 which are subequal ; movable digit a little more than twice 

 the length of the hand-back. 



Measurements in milUvietres. — 6 . Total length 68 ; length 

 of carapace 7*3, of tail 43, width of its first segment o'b, of 

 fourth 3"8, of vesicle 3, of brachium 3, of hand 4"5 ; length 

 of brachium 8, of hand-back 4*8, of movable digit 9'5. 



Loc. Brazil. Two specimens, presented by E. E. Austen. 



