REV. O. P. CAMBRIDGE ON NEW BRITISH SPIDERS. 401 
male and an immature female of this species were forwarded to me by Mr. Morris Young, 
of Paisley, by whom they were captured near that town, in the early part of 1866. The 
female was very young, but appeared to resemble the male in all points of colour and 
markings; the nearly equal length of the legs, and their distinct banding with black, as 
well as the pattern on the cephalothorax and abdomen, are very characteristic. The 
species is allied to Salticus reticulatus (Blackw.). 
SALTICUS EXPERS, n. sp. (Pl. 54. no. 5.) 
Genus Heliophanus, Koch. 
Heliophanus expers, Monogr. des Attides d'Europe, par Eugène Simon, p. 232. 
Length 24 lines. 
Cephalothorax large and black, sparingly furnished with short greenish-yellow hairs; 
a white spot is formed by white hairs behind each eye of the third row; a few bristly 
black hairs on the upperside, directed forward. 
Legs deep brown, approaching black. Tarsi whitish yellow, metatarsi of fore pairs 
also light-coloured ; relative length 1, 4, 3, 2; furnished with hairs and a few fine black 
spines on the metatarsi of the hinder pairs, and a few curved estas hairs in a row on the 
uppersides of the femora. 
Palpi of the same colour as the legs; upperside furnished with white scale-like hairs ; 
the humeral joint has a strong projection underneath, nearly perpendicular, curving a 
little inwards towards its extremity, where it is crescent-formed or bifid, the two limbs 
being nearly parallel, and not differing greatly in length; the hinder one is the least 
strong, and rather the shortest; the radial joint has a small, sharp, curved, spiñy process 
on its outer side, and is very slightly produced on its underside. The palpal organs are 
not very complicated ; they are well developed, and project in an irregular form back- 
ward beneath the radial joint, as well as in a straight pointed form backward on the 
inner side. 
The abdomen is black, sparingly furnished with short greenish golden-yellow hairs. A 
curved band of white hairs surrounds the fore extremity, and there is a broken, ragged, 
longitudinal band of white hairs on either side of the median line forward, each followed 
by another short one near the spinners; there is a white spot also on either side below, 
near the spinners. 
An adult male of this spider was found among specimens of Heliophanus cupreus (BL) 
captured at Bloxworth. From that species, however, it differs notably in the bifid ex- 
tremity of the projection beneath the humeral joint; of the male palpus in cupreus it is 
one-pointed ; it differs also from others (having likewise a bifid extremity to this projec- 
tion) in the relative length, strength, and direction of the /imbs of the bifid portion, as 
well as in the size and direction of the projection itself. 
SALTICUS SALTATOR. (Pl. 54. no. 6.) 
Salticus floricola, Blackw. Brit. and Ir. Spiders, pt.i. p. 55, pl.iii. fig. 30; Camb. Zool. for 1862, p. 7945. 
Attus saltator, Monographie des Attides d'Europe, par M. Eugène Simon, p. 145. 
Since the description of this spider appeared in Mr. Blackwall's work (loc. cit. supra) 
VOL. XXVII. 3H 
