REV. O. P. CAMBRIDGE ON NEW AND RARE BRITISH SPIDERS. ‘547 
pointed eurved apophysis, directed rather inwards, and with its extreme point more or 
less strongly bent or hooked ; on the inside this apophysis is hollowed or grooved. A row 
of black bristles occupies its outer margin. The digital joint is not large; it is of ordi- 
nary form, of a deep brown colour, and furnished with strong hairs; the palpal organs 
are well developed, but not very complex. A small process at their base on the outer 
side, immediately beneath the radial joint, has a tuft of long strong black bristles issuing 
from it. These are in most cases so elosely united as to appear like a single black curved 
corneous spine. A strongish black spine issues from the base of the palpal organs, runs 
round their outer side, and curves round in a sharp filiform point beneath the fore 
extremity of the digital joint. 
The falces, which are similar in colour to the cephalothorax, present nothing remark- 
able in their structure. 
The mazille are rather long, very strong at their base, somewhat curved, and directed 
over the labium, which is a little broader than high, with a strong transverse median 
impression, and its apex is round-pointed or obtusely curvi-angular ; these parts are (with 
the sternum, which has no remarkable feature) similar in colour to the falces. 
The abdomen, which projects but very slightly over the base of the cephalothorax, is 
short-ovalin form, hairy, and of a dull yellow-brown colour suffused with blackish. Some 
transverse curved or slightly angular lines are visible (in spirit of wine), chiefly on the 
hinder part of the upperside. 
The female resembles the male, except that the caput is rather less elevated. The 
palpi are furnished with hairs, bristles, and slender black spines, but are without any 
terminal claw. The genital aperture is of characteristic form, a somewhat triangular 
aperture, with a flap of a similar form overlapping its fore part. 
Adults of both sexes of this fine and very distinct spider were found in the autumn of 
1871 near Wooler, in Northumberland, by Mr. James Hardy, who kindly forwarded 
them to me with many other rare and new species. 
Genus WALCKENAERA, Bl. 
WALCKENAÉRA ACUMINATA. 
Walckenaëra acuminata, Bl. Spid. Gt. Brit. & Ir. p. 289, pl. xx. fig. 203. 
Erigone cornuta, Westr. Aran. Suec. p. 218. 
Conf. also Thorell, Syn. Eur. Spid. p. 109. 
Adults of both sexes of this spider were contained in the collection made by Mr. Hardy 
on the Cheviot Hills, as well as at Wooler in Northumberland in October 1871. It would 
appear to be a rather abundant spider in those localities. The following five of the rarer 
species of Walkenaéra were also found in Mr. J. Hardy's collections :— 
WALCKENAÉRA TRIFONS. 
Walckenaéra trifrons, Cambr. Zool. 1863, p. 8589, and Linn. Trans. xxvii. p. 453, pl. xxxv. no. 32. 
An adult ¢. 
WALCKENAÉRA PERMIXTA. 
Walckenaëra permixta, Cambr. Linn. Trans. xxvii. p. 455, pl. 57. no. 40. 
Numerous adults of both sexes. 
VOL. XXVIII. | A 
