HEM1SCOBPITTS. CIIIEOMACIIETES. 



Genus HEMISCORPIUS, Peters. 



Hemiscorpius, Peters, MB. Akad. Berlin, 1861, p. 426 (April) ; 



Pocock, A. M. N. H. (6) xii, p. 308, 1893. 

 Hemiscorpion, Peters, MB. Akad. Berlin, 1861, p. 511 (May) ; 



Karsch, MT. Munch, ent. Ver. iii, p. 15, 1879 ; Kraep. Jb. Hainb. 



wiss. Anst. xi, p. 110, 1894 ; id. Tierr., Scorp. etc. p. 142, 1899. 



Carapace with median eyes in advance of the middle of the plate. 

 Tarsi (tig. 5 A, p. 8) armed beneath and on each side of the distal 

 extremity with many pairs of long and slender spines, and furnished 

 with median row of spicules. Sternum elongate, parallel-sided, with 

 deep median groove. Finger of chela with two parallel rows of 

 teeth and externally with some larger teeth. 



Type, H. lepturus, Peters. 



Distribution. S. Arabia ; Socotra ; Baghdad and Baluchistan. 



p. 142, fig. 38, 1899. 



2 . Colour uniform yellowish red, with 

 browner fingers. Carapace and abdomen 

 smooth to finely punctured. Keels of tail 

 smooth or finely granular. Vesicle of nor- 

 mal form, not globular, with short and thick 

 aculeus. Hand with nearly smooth finger- 

 keel, its upper surface reticulated. Pectinal 

 teeth 9. Total length 45 mm. 



3 . Differing from $ in having cara- 

 u T ce ^d abdomen finely granular or rugu- 



p O f . lose; tail very long and slender; vesicle 



very long, with blunt tuberculiform pro- 

 jection on each side at the base of the aculeus. Pectinal teeth 

 15-16. Total length 66 mm. 



Distribution. Baghdad (Petermann) ; Northern Baluchistan 

 (Maynard Sf MacMaJion). The example from Baluchistan has 

 lost its tail, and is identified as //. lepturus with some hesitation. 



Genus CHIROMACHETES, Pocock. 

 Chiromachetes, Pocock, Jour. Bom. N. H. Soc. xii, p. 744, 1899. 



Carapace with anterior border deeply excised in middle line ; 

 median eyes well in advance of the centre, the distance between 

 them and the posterior margin nearly twice as great as the distance 

 between them and the median excision; lateral eyes almost mar- 

 ginal, the anterior two separated by a very narrow space from the 

 subjacent edge, the posterior practically on the edge. Extremity 

 of protarsi spined ; tarsi (fig. 21, A) armed below with a few spines, 

 without median row of spicules except quite at base. Digit of 



