204: Mr. J. Blackwall on new Species of Spiders. 
which comprises the palpal organs; these organs are moderately 
developed, rather complex in structure, and of a red-brown 
colour at the base, the hue of the anterior part, whose black 
inner margin is curved, being dull yellow; from a small dark 
red-brown piece, situated near the middle of the outer side, pro- 
ject two pointed processes, one of which is prominent and the 
other is directed outwards towards the margin of the digital 
joint. 
Since the female of this fine species of Lycosa was described 
in the ‘ Annals and Mag. of Nat. Hist.,’ I have received from 
the Bario do Castello de Paiva specimens of both sexes, which 
had been captured in the islands of Madeira, Porto Santo, and 
Deserta Grande. 
Family Satricipz&. 
Genus Satticus, Latr. 
Salticus diligens, n. sp. 
Length of the male (not including the spinners) = of an 
inch; length of the cephalothorax 5, breadth +; breadth of 
the abdomen ;!;; length of an anterior leg 4; length of a leg 
of the third pair -3;. 
The minute intermediate eye of each lateral row is rather 
nearer to the anterior than to the posterior eye of the same row. 
The cephalothorax is large, glossy, somewhat quadrilateral, 
sloping abruptly at the base and projecting a little beyond the 
falces in front ; it has a curved indentation in the middle, whose 
convexity is directed forwards, and is of a reddish-brown colour ; 
the lateral eyes are seated on brown spots, and there are some 
white hairs on its sides. The falces are short, subconical, verti- 
cal, and have a brownish-red hue. The maxille are straight, 
and enlarged and rounded at the extremity, and the lip and 
sternum are oval. These parts are of a yellowish-brown colour. 
The legs are robust, especially those of the anterior pair, and 
are provided with hairs and sessile spines, two parallel rows of 
the latter occurring on the inferior surface of the tibie and 
metatarsi of the first and second pairs; they are of a brownish- 
yellow colour, the inferior surface of the femora of the anterior 
pair having a brown hue; the first pair is the longest, then the 
fourth, and the second and third pairs are nearly of equal length; 
each tarsus is terminated by two curved claws, below which 
there is a small scopula. The palpi resemble the legs in colour; 
the cubital and radial joints are short, the latter being the 
shorter; the digital is long, of nearly equal breadth, slightly _ 
convex and hairy above, compact at the extremity, with a con- 
cavity at the base, on the underside, comprising the palpal 
