400 On Scorpions of the Genus Vsejovis-. 



a^. Terga yellow, marked with only one black- 

 patch on each side ; the rest of the body not 



variegated bilinedtm, sp^ n*- 



J\. Terga yellow or red, bnt marked with two 



d'istinet black patches on each side of the 



middle line. 



a^. The lateral tergal patch closer to the margin, 



leaving a broader yellow band ; legs entirely 



pale ; tail with onty the lower keels lined 



with black nigropietus, sp. ft, 



5^. The lateral tergal patch more remote from 

 the margin ; legs- and lower side af tail 



strongly blackened variegatus, sp. n. 



b. Hand with inner surface crested and strongly 

 granular; crests on brachium ail strong and 

 granular ; movable digit longer than fifth caudal 



segment, uniformly blackish nigfescens, sp. ni- 



2. Four inferior keels on caudal segments 1-4 visible 



as smooth upstanding ridges, ctf which only tho 



infero-lateral keels on the third and fourth aire at 



most indistinctly crenulate. 



«. Trunk banded black and yellow ; hand in botE 



sexes without crests and entirely smooth : 



posterior surface and posterior inferior crest of 



brachium, as well as lower surface of vesicle, 



punctured, not granular subcrisiatws, sp. n;. 



b. Trunk not banded; hand distinctly _ crested, the 

 inner crests granular ; posterior surface and 

 posterior inl'erior crest on brachium, as well a& 



lower side of vesicle, granular cristimanus, sp. n» 



3'. Inferior and infero-lateral caudal keels developed 

 and granular, sometimes the medians on- segments 

 1-2 smooth ; hand and brachium usually crested 

 and granular. 



a. Inferior and lateral intercarinal spaces of tail 



coarsely and closely granular ; tail short and 



robust ; distinctly variegated granulatus, sp. b. 



b. Inferior and lateral intercarinal spaces either 



smooth or at most marked with a few granules. 



a\ Of small size (20-25 mm.) ; pectinal teeth 



11-12 ; distinctly variegated above and on 



the legs ; also the coxae, pectin es, and sterna 



diversified with blackish spots pusillus, sp. n. 



b^. Larger size, adults not less than about 45 mm.; 



pectinal teeth not less than 15 ; palpi and 



legs not distinctly variegated ; lower surface 



of trunk without fuscous spots. 



«^, Lateral intercarinal spaces of tail without 



granules ; upper keel of fourth without 



enlarged terminal denticle ; hand in $ not 



crested nor granular crassimanus, sp. n. 



b^. Lateral intercarinal spaces of tail granular ; 

 upper keel of fourth with terminal denticle 

 much enlarged ; hand in $ crested and 

 granular mexicanus, Koch. 



