99 



This species is evidently related to H. insculptus of Thorell *) from 

 New-Guinea — the only true species of the genus of which the 

 British Museum does not possess examples. If, however, the female 

 be comparad with Thorell's description, certain differential characters 

 can be made out, which lead me to believe that the specimens here 

 described are rightly to be considered as examples of a new species. 

 Thus the cephalotorax of insculptus is apparently much more granular, 

 the tail is longer, being about 2| times the length of the céphalothorax 

 as opposed to 2|; the hand-back in insculptus is considerable longer 

 than the céphalothorax, while in weberi it is not longer; again the 

 height of the hand as compared with its length is much greater in 

 weberi; moreover the lateral eyes are equidistant in weberi and much 

 more prominent i. e. a line drawn at right angles to the long axis 

 of the body as a tangent to the frontal lobes will touch the anterior 

 lateral eve on each side. 



1) Ann. Mns. Genov. (2), VI, pp. 422—426. 



DESCRIPTION OF PLATE VI. 



Fig. 1. hometrus mucronatus (Fabr.), Q nat. size. 



» 2. » flavimanus, Thor., Q nat. size. 



, 2a. » » dentition of chela. 



»3. > formosus, sp. n. , Q, nat. size. 



, 3 a , » » » » > dentition of chela. 



» 36, » » » » > vesicle. 



, 3 C , » » » » » vesicle of J. maculalus. 



> 4. Chaerilus variegatus, Simon, nat. size. 



» 4a. » » » sternum. 



» 5. » cavernicola, sp. n. , nat. size. 



» 5a. » » v » sternum and pectines. 



» 6. Scorpio indicus , (Linn.) , Q , nat. size. 



» 7. Hormurus weberi, tf , nat. size. 



» 7a. » » anterior part of céphalothorax. 



* 7b. » » sternum and pectines. 



