Mr. BuackwaLvs Descriptions of new Species of Spiders. 657 
an oval form, and greatly elongated before, overlapping the base of the 
fifth joint, which is somewhat oval, with a bold, pointed projection at the 
superior part, on the inner side, and a prominent lobe on the outer side ; 
it is convex and hairy externally, concave within, comprising the palpal 
organs ; they are depressed, very highly developed, and remarkably com- 
plicated in structure, having a strong, curved, corneous process on the 
outer side of the superior part, which has an obtuse protuberance on 
its upper side, and a pair of exceedingly long, filiform, black spines of 
unequal thickness, enveloped in a transparent membrane, curved twice 
into a circle measuring about pyth of an inch in diameter. These organs 
are of a red-brown colour. 
This spider spins an extensive, delicate, horizontal sheet of web, supported 
above by fine lines connected with it and with each other at various angles, in 
the corners of walls, both in and out of doors, under hollow banks, and in de- 
pressions in the trunks of large trees. On the under side of this web it takes 
its station in an inverted position, and watches for its prey. In many parts of 
Denbighshire and Caernarvonshire it is a common species, and I have been 
favoured with specimens from the north of Lancashire by Miss Ellen Clayton 
of Church Town. 
+ 
42, Linyphia vivax. Cephalo-thorace flavescenti-brunneo, fasciis tribus nigris 
quarum intermedia anticè bifida ; mandibulis maxillisque rufescenti-, labio 
sternoque saturaté brunneis; pedibus palpisque rufescenti-brunneis satu- 
ratiüs fasciatis ; abdomine flavescenti-brunneo albo-punctato, serie medi- 
and linearum transversarum angularium nigricantium ad extremitates 
dilatatarum, fasciis duabus longitudinalibus nigricantibus ad utrumque 
latus, alteráque latà mediana infra. 
Length of the female Arths of an inch; length of cephalo-thorax ; breadth 
zs; breadth of abdomen jr; length of an anterior leg 1; length of aleg 
of the third pair 3. e 
Cephalo-thorax oval, convex above, glossy, with a large indentation in the 
medial line of the posterior region; it is of a yellowish brown colour, 
with an irregular, longitudinal, blackish band on each side, and a finer 
one of the same hue, which is bifid in front, extending along the middle. 
