Classification of Scorpions, 313 



and upon what is stated respecting the situation and structure 

 of the ocular tubercle. 



Ananteris, Thor., I have not seen. CJiarmus^ Hetero- 

 charmus, and StenocJiirus are, I suspect, identical. 



Part II. — Descriptions of new Genera and Species. 



Family ButMdge. 



Tityus astkenes, sp. n. 



Upper surface of the trunk lurido-fuscous : tail fulvous, 

 fulvo-brunneous towards its posterior end ; legs, palpi, and 

 lower surface flavous, with the exception of the digits which 

 are fuscous. 



The upper surface of the trunk much more finely granular 

 than in T. americanus. 



Tail longish and slender, about five and a half times the 

 length of the carapace, the second segment about the same 

 width as tlie fifth, the intercarinal spaces very finely granular, 

 the keels not very strong, granular, the terminal granule of 

 the superior keels not larger than the rest ; the median lateral 

 keel not present on the second segment ; the vesicle a little 

 narrower than the fifth segment, wider than it is high, with a 

 large spine beneath the sting as in T. americanus. 



Faljji long and slender, finely granular, and normally 

 carinate ; on the hand the external of the three keels which 

 run from the immovable digit is entire as in T. stigmurus 

 (Thor.) ; hands a little wider than the brachium, the digits 

 long, slender, in contact, furnished with 14-15 median rows 

 of teeth, the movable twice the length of the hand-back, longer 

 than the fifth caudal segment, and much longer than the 

 carapace. 



Pectines furnished with 19 teeth, tlie basal intermediate 

 lamella internally expanded. The sterna coriaceous, being 

 studded with low smooth-topped granules. 



Legs long ; the lower surface ot the feet studded with a few 

 setae. 



Measurements in millimetres. — Total length 55, length of 

 carapace 5*8, of tail 34; width of first segment 2*6, of fifth 

 2*3 • length of fifth segment 7 ; width of vesicle 2, of hand 2 j 

 length of hand-back 4, of movable diL>-it 8. 



A single female example from Poruru (Peru). 



This species belongs to the same category as T. americanus^ 

 but from this last-named it may be recognized by its much 

 greater smoothness, difference in colour, slender tail, &c. 



