636 ARACIINIDAN FAUNA OF AUSTRALIA. 



granulated; of these the first two joints are much more strongly 

 granulated than the latter; lower surface keeled and granulated 

 laterally ; the back of humerus and brachium moderately sO ; 

 humerus keeled laterally on inner side, sparingly granulated in 

 the median line; brachium granulated laterally, deeply grooved 

 down the middle; manus thick, moderately long, powerful, keeled 

 and granulated underneath; hand-back keeled, broad, moderately 

 granulated ; fringes short, powerful, incurved, the keels and 

 granules giving them a somewhat darker appearance than the 

 hand ; movable finger somewhat the longest. 



Pectines long, somewhat tapering, and furnished with 16 teeth. 



Measurements (in millimeters) : — Total length, 52; length of 

 cephalothorax 6, width in front 3, behind 5; length of tail, 275 — 

 first segment 3, second 3^, third 4, foui'th 5, fifth 6, vesicle and 

 aculeus 5; length of humerus 5; of brachium 5; hand, 6; hand- 

 back, 6; movable finger, 4^; width of humerus, 2; of brachiuna 

 2^, of hand (at base) 4, at apex 3; of hand-back, 3. 



Hah. — Cooma. 



EXPLANATION OF PLATE. 

 Fig. 4. - Buthus flavicruris. 

 Fig. 4a.. — ,, ,, tail, pi'ofile. 



Fig. 4&. — ,, ,, first and second caudal segments, ventral 



surface. 



