92 
THOMISIML 
than the third ; each tarsus is terminated by two curved, pectinated claws, and below them 
a small scopula is situated. The palpi, which are short, resemble the legs in colour, and 
have a curved, pectinated claw at their extremity. The cephalo-thorax is short, broad, com¬ 
pressed before, rounded on the sides, convex and hairy; it is of a yellowish-brown colour, 
with a large, longitudinal, dark-brown band on each side. The eyes are disposed on the 
anterior part of the cephalo-thorax, in the form of a crescent; the lateral eyes are seated on 
tubercles, those of the posterior row being rather the largest of the eight. The falces are 
small, conical, and vertical; and the maxillae are gibbous near the base. These parts are of a 
yellowish-brown colour. The lip is triangular, rounded at the apex, and has a dark-brown 
hue, with yellowish-brown margins. The sternum is heart-shaped, and of a yellowish-brown 
colour, with numerous minute, black spots. The abdomen is broader in the posterior than in 
the anterior region, but is pointed at the spinners; it is somewhat convex above, and projects 
a little over the base of the cephalo-thorax ; the whole is covered with short hairs, those on 
the upper part being of a gray colour in the middle of the anterior extremity, which is 
notched, and of a glossy, yellow hue on the posterior part; when the hairs are removed, a 
dark-brown band is observed to occupy the medial line of the anterior half, and to it there 
succeeds a series of curved bars of the same colour, which are enlarged at their extremities, 
and decrease in length as they approach the spinners ; an irregular, dark-brown band 
extends along the upper part of each side to the anus, where the two unite; the sides and 
under part are of a gray colour, the former being spotted with dark-brown, and the latter 
having a broad, longitudinal, dull-brown band in the middle; the sexual organs have a 
reddish-brown hue; and that of the branchial opercula is yellow. 
The male differs widely from the female; it is smaller, and the length of its legs is 
greater, a leg of the second pair measuring <f 5 ths of an inch. The cephalo-thorax is of a 
brownish-black hue, with narrow, white margins. The palpi are rather long, the radial joint 
is smaller than the cubital, and the digital joint, which is of a short, broad, oval figure, and 
dark-brown colour, is convex and hairy externally, concave within, comprising the palpal 
organs; these organs are highly developed, not very complicated in structure, with a short, 
curved, prominent, pointed spine at the upper part, on the outer side, and are of a very dark- 
brown colour. The abdomen has a brown-black hue above, with a few white hairs at its 
anterior extremity; the sides are white ; and the under part is of a brown colour. 
Both sexes have numerous compound hairs on various parts of the body and limbs. 
This active spider frequents wooded districts in England and Wales, and being provided, 
like other species of the genus, with scopulm situated below the tarsal claws, it runs with 
great rapidity on the dry, perpendicular surfaces of highly polished bodies. Though the 
sexes differ so remarkably in colour when adult, yet they resemble each other in that particular 
before they arrive at maturity. In June the female constructs a lenticular cocoon, of white 
silk, of a fine but compact texture, measuring |th of an inch in diameter, in which she deposits 
about seventy-two spherical eggs, of a yellowish-white colour, not agglutinated together. This 
cocoon is enclosed in a cell of dull-white silk, of a loose texture, usually attached to a dead 
leaf, the edges of which are drawn towards each other by silken lines connecting them with 
the cell. 
