h'ttle-lnown Neotropical Scorpions. 475 



again, speaking of the tail, '' carina; niediio infciiuies Itevea, 

 in sesiniento quarto ol)soletai." Kracjtclin completely if^nores 

 these statements. //. fxtrvuhis is compared by Karsch with 

 maculntiifi, and is prohahly a synonym ot it. 



JIadruroides c/tdrca.fufi, Karsch. 



Jladntnis cJiarrasns, Kar^icli, MT. Miincli. ent. Ver. iii. p. 138 (1875)). 

 Hdilnnus Parisvhi, irl. Ik'rl. eiit. Zeit. xxv. p. 200 (1881 ). 

 JIadrurus rohiistus, IJoeris, Atti Soc. Modena, viii. p. l.'io. 

 Hadruroides cluirctiKua, Pocock, Ann. \- Ma<,r. Nat. Ilist. ((5) xii. p. .'52W 



(1S<>;5). 

 JIddnouidcs luna/us, Kraepelin, Tierr., Scorp. p. 188 (1899) (in part.). 



Difterini^ from IJ. lunatus in its nuicii larger size, very 

 tliick hand, of which the inner surface is granular, and large 

 number of pectinal teeth. The largest specimen in the 

 British Museum is a male, and measures 78 millim. 



The pectinal teeth vary from 16-19 in ? and from 18-22 

 in r?. 



The British Museum has specimens from the following 

 localities : — Paita {/Iamb. Mas.), Eten and Bafios [P. 0. 

 Simons), in Peru; Bolivia [Keyserling coll.). 



lla.druroides macalataSj Tiiorell. 



Hadntrus mnculatm, Thorell, Atti Soc. Ital. Sci. Nat. xix. p. 186 



(1877). 

 ? Hadntrus parvuhts, Karsch, MT. Miincli. ent. Ver. 1879, p. 135. 



Loc. Callao (Peru). 



According to Thorell'.s description this species differs from 

 H. lunatus in having four keels on tiie underside of the last 

 abdominal sternum and of the tirst, second, and third caudal 

 segments. From Karsch's description it may be inferred 

 that //. parvulus presents similar features. 



Hadruroides carinatus, sp, n. 



$ . — Colour yellowish brown, the terga sometimes showing 

 traces of four narrow black bands; chelae, legs, and tail 

 paler yellow, variegated with small black spots. 



Upperside of bodi/, except on the frontal area, which is 

 smootli, covered witii fine close-set granules, finer and closer 

 than in //. lunatus. 



Sterna smooth, impressed with coarse scattered punctures, 

 the la.st granular at the sides and furnished with four strong 

 but weakly granular keels. 



2ail strong, the lateral surface of the anterior segments 

 more granular than in //. lunatus, the inferior median 



