1872.] SPIDERS OF PALESTINE AND SYRIA. 313 



tarsi and tarsi ; these two joints are densely clothed heneath with 

 hairs, which form a kind of cushion, intended, no doubt, to give an 

 equal facility of movement in running upon either smooth or rough 

 surfaces ; the rest of the joints are sparingly furnished with hairs 

 and a few dark spines of various lengths. 



The palpi are short and similar to the legs in colour, except the 

 digital joint, which is dark brown tinged with reddish, and, besides 

 some longish pale yellowish hairs, has the greater portion of its fore 

 extremity covered with a dense oval-shaped mat of closely packed, 

 short, sooty, mouse-coloured hairs ; the radial joint is less strong 

 than the cubital, and has its outer extremity produced into a large 

 prominent bifid apophysis, the front limb of which is the smaller 

 and two-pointed, the hinder one large and quadrate ; the digital 

 joint is of a long narrow-oval form, and its length equals that of the 

 radial and cubital together; the palpal organs are of a deep red- 

 brown colour, well developed, but not very prominent or complex. 



The falces are rather long and very strong, they project a little 

 forwards, and are rather prominent in front ; their colour is yellow- 

 brown, deepening towards the fangs, which are strong and of a rich 

 red-brown colour. The maxillae are moderate in length, broad, en- 

 larged and rounded at their extremities, and in the male slightly 

 inclined to the labium ; in the female they are parallel to each 

 other. 



The labium is short, broad, and rounded at the apex, which, with 

 the extremities of the maxillse, are of a pale whitish-yellow colour, 

 the rest being of a reddish yellow-brown. The sternum is broad, 

 heart-shaped, and its colour is yellow. 



The abdomen is short-oval, very convex above (in the female it is 

 almost globular), and furnished sparingly with pale hairs, and a few 

 longer dark hairy ones intermixed ; its colour is yellow, with a lon- 

 gitudinal central fusiform band of a paler hue on the fore half of the 

 upperside ; this is followed towards the spinners by some very in- 

 distinct palish angular lines or chevrons ; on either side of the ex- 

 tremity of the fusiform band is a dark brownish dot or spot. In 

 the adult female the legs were shorter ; and those of the fourth pair 

 differed in the relative lengths of their joints, and were more nearly 

 equal to those of the second pair than in the male ; the femora of 

 the fourth pair were visibly longer than those of the second pair, 

 while in the male the difference was considerably the other way ; 

 the spinners were short and compactly grouped. 



An adult male and female of this fine Spider, which I have named 

 after my kind friend Dr. L. Koch of Niirnberg, were captured under 

 stones beneath the walls of Jerusalem ; and in a similar situation 

 near Jericho an immature female was found. 



It differs from any other species of the genus known to me, in 

 the wide separation of the eyes of the lateral pairs ; the form of the 

 abdomen is also peculiar ; it is probably a very active Spider ; but 

 those met with stood resolutely upon the defensive, and made a strong 

 resistance against being captured. 



