Arachnida. 



8563 



two foremost pairs are jet-black, except the tarsi, which are 

 greenish yellow. The two hind pairs are also jet-black, but 

 have the tibial, tarsal and metatarsal joints annulated with red- 

 dish yellow. In some specimens all the legs have the two joints 

 nearest the sternum of a greenish yellow, with blackish blotches. 



Maxillae strong, broad at the extremity, where they are rounded on 

 the inner margins ; slightly inclined to the labium. Their 

 colour is the same as that of the cephalothorax, but paler at the 

 top ; that of the labium (which is short but broad at the base, 

 and rather pointed at the top) is somewhat darker than that of 

 the maxillae. 



Sternum of a blackish brown colour. 



Palpi short, stout. Colour greenish yellow-brown, mottled with 

 black. Radial joint shorter and smaller than the cubital, and, 

 with the digital joint (which is large and shining black), has its 

 upper side furnished with long shining white hairs : these form 

 a very marked and striking contrast with the black cephalo- 

 thorax and scarlet irides. Palpal organs prominent and highly 

 developed, but not very complicated in structure ; they have a 

 strong black spine, curved in a circular form towards their ex- 

 tremity ; this spine springs from their inner side, and is closely 

 attached to their surface : their colour is brownish yellow, 

 tinged with greenish. 



Abdomen oviform, slightly shorter than the cephalothorax, over 

 which it does not project much. Its colour is black-brown, 

 thickly clothed with black hairs on the upper side, where it is 

 marked with two strongly dentated longitudinal lines through- 

 out its whole length ; and from the outer angular points of these 

 lines three or four curved ones run obliquely to the inner side : 

 all these lines are formed by longish coppery red hairs thinly 

 disposed, and are sometimes not easy to make out, especially as 

 in capturing the spider they are liable to be displaced and 

 rubbed off. 



The female is rather larger than the male, and has the cephalo- 

 thorax not so broad and massive as in that sex. Her palpi are yel- 

 low, fringed on the upper side with white hairs mixed with a few long 

 black ones, and she wants the scarlet hairs round the anterior eyes. 

 The cephalothorax is black, covered with black and coppery hairs. 

 Her abdomen is in general more distinctly marked, though in pattern 

 like that of the male ; and the under side is brown, clothed with 



