78 IBOHNUEIDJ5. 



chela armed with two rows of teeth ; brachium with large basal 

 prominence. 



Type, C. fergusoni, Pocock. 



Distribution. Malabar coast, S. India. 



Resembling the S. African and Neotropical genus Opisthacanthus 

 in the spine-armature of its legs, except that the spines on the 

 tarsi are fewer than in any known species of that genus. Further 

 and especially differing in the forward position of the median eyes 

 and the closeness of the lateral eyes to the margin, these eyes in 

 Opisthacanthus, especially the posterior, being distinctly above the 



64. Chiromachetes fergusoni, Pocock, Jour. Bom. N. H. Soc. xii, 

 p. 744, 1899. 



Colour : upper side of body and tail blackish greeu, vesicle clear 

 yellow ; legs and chelse blackish brown ; tarsi yellow. Carapace 

 and terga densely and finely punctured, without granules and 

 without crests, except for the normal median lo\v elevation on the 

 terga; carapace a little longer than the 1st and 2nd caudal seg- 

 ments, shorter than the 4th and 5th. Tail about four times as 

 long as carapace, densely punctured, smooth, except for a few 

 granules on the lower side of the 4th and 5th segments ; without 

 keels ; the 1st, 2nd, and 3rd segments posteriorly elevated on each 

 side of the dorsal groove ; segments impressed with serially arranged 

 setiferous pores; vesicle compressed, thickly covered with long 

 bristles below. Chelce large, densely punctured, finely granular 

 above, smooth below ; both humerus and brachium longer than 

 carapace ; humerus and brachium with posterior side somewhat 

 compressed, coarsely denticulate, but scarcely carinate; hand 

 with finger-keel, underhand-keel, and area between them coarsely 

 granular ; underhand much longer than carapace, not twice as 

 long as the width of the hand, longer than movable finger, which 

 is strongly lobate, the immovable correspondingly notched ; mov- 

 able finger longer than carapace. Legs finely punctured ; femora 

 finely granular externally ; protarsi with finely serrulate external 

 edge, armed with 3 spines on the inner side at apex. Pectinal 

 teeth 7-8. 



Measurements in mm. Total length 100, carapace 14, tail 44, 

 underhand 18, movable finger 15, width of hand 10. 



Loc. Trivandrurn in Travancore (Ferguson). 



Genus HOKMTTRUS, Thorell. 



Hormurus, Thorell, A. M. N. H. (4) xvii, p. 14, 1876 ; Pocock. 

 A.M.N. H. (6) xii, p. 320, t. xiv, fig. 6, 1893 ; Kraep. Jb. Hamb. 

 wiss. Anst. xi, p. 131, 1894 ; id. Tierr., Scorp. etc. p. 153, 1899. 



Carapace with median eyes near the centre, and the three lateral 

 eyes on the very edge. Tarsi (fig. 21, B) furnished beneath with 

 four pairs of moderately long stiff bristles, not with spines, and 

 without a median line of spicules ; extremity of protarsi also bristly 



