146 Transactions. — Zoology, 



concave, dark-browii mottled with black, and a black trana- 

 verse band within each margm, edges thickened, brown ; meso- 

 thorax and metathorax each 2^ lines wide, dark-brown with 

 blackish mottlings ; sternum of thorax, coxae, trochanters, and 

 femora below light-chocolate brown and very glossy, coxae 

 slightly pubescent. Abdomen short, rather narrow, sub-com- 

 pressed, about i inch long, seven rings slightly arched, smooth 

 above, sides minutely muricated, dark brown transversely 

 banded with black and mottled with black above ; anal ap- 

 pendages two, 5 lines long, slender, subulate, obtuse, curved, 

 light-brown, very hairy almost shaggy. Lcf/s: posterior pair 

 very long ; femur 2 inches long, straight, smooth, largely 

 clavate, outer side convex, unarmed, inner side very deeply 

 grooved, and armed with a row of spines on each edge, edges 

 sharp, glossy, also the spines ; 12 spines, distant, in the inner 

 row, and 21 spines, smaller and closer in the outer row ; upper 

 part of thigh 4 lines wide, stout, thick, of a light dull-brown 

 colour, smoothish, shaded with darker wavy lines that are 

 minutely hairy (sub lente), the lower end dilated laterally into 

 two thin auricled processes, with a minute black spine on each ; 

 tibia 2^ inches long, slightly curved, slender, piceous, studded 

 with numerous minute short hairs, giving it a semi-muricated 

 appearance, the inner side convex, the outer deeply grooved 

 and armed on the edges with two rows of acute spines, 10 in 

 the outer row, the uppermost very small, increasing in size 

 downwards, the lower 6 the largest, 12 spines in the inner row, 

 the lower 7 very lai-ge and rather slender; at the lower end of 

 tibia 8 spines around the joint, 2 of tbem small, close above, 2 

 on each side, one of them being very large, Yn^\i inch long, and 

 2 smaller below ; tarsus 1 inch long, slender, unarmed save 

 2 small spines at the lower end of each joint, the upper joint 

 longest, 4^ lines long, the third very small, and the last 3 lines 

 long, the inner side deeply and narrowly grooved, ending on 

 each joint in a long ovate loop with raised margins and no 

 pulvilli (and so the other two pairs) ; ungues small, curved, 

 divergent : middle pair, femur and tibia each 1 inclp long, 

 slender, each having 3 pairs of lateral, small, sub-opposite 

 distant spines, with minute intermediate denticidations or 

 points, and 4 small spines at the lower end of tibia, and 

 two of the same at lower end of fcmiir ; tarsus 7 lines 

 long, unarmed, very slender, upper joint longest, 3 lines 

 long; tarsi and tibise light-brown, clouded: anterior pair, 

 femur and tibia each 18 lines long, grooved ; femur slender, 

 unarmed on outside save minute tubercles or blunt dcnticula- 

 tions on the outer edge of groove, and 4 small slender spines 

 on the inner edge with similar minute tubercles, and 1 small 

 spine on the lower auricled end on the inside ; tibia, 8 pairs 

 small alternate distant lateral spines, and 4 small spines at the 



