32 
SECOND YARKAND MISSION. 
Family — THE RID I D ES. 
Genua— EPISINUS, Walck. 
32. — Episinus algiricus. 
Episinus algiricus, Luc., Explor. en Algdrie, Araclm. p. 269, pi. 17, fig. 11. 
This spider is exceedingly closely allied to Episinus truncatus, Walck., and I have but 
little doubt that the examples contained in Dr. Stoliczka’s collection are of the same species 
as that described by Lucas in liis great work on the spiders of Algeria. Be this as it m£1 h 
however, these examples are decidedly distinct from, though very closely allied to, Europca 
examples of Episinus truncaius found in England. Among other distinctions, may 
specially noted, the generally more yellow-brown hue of the present spider, and the fai 
distinct, though generally similar, pattern on the cephalothorax and abdomen , also 
absence of a short, but distinct, yellow, longitudinal line running backwards from between 
the hind-central pair of eyes to the occiput ; this line is distinctly visible in all the numero ^ 
British examples before me, but no trace of it exists in the present spider. The 1 (> - S ^ 
pale yellowish, only faintly annulated with brown; and some distinct white spots forming 
horse-shoe (the open side in front) round the lower extremity of the abdomen close to 
base of the spinners, are larger and more conspicuous, especially the foremost of them > 
the corners also of the upper side of the hinder extremity of the abdomen are more conical y 
gibbous, and an unfailing specific difference is presented in the different form of the § enl . 
aperture ; this is a small, simple, nearly round, dark-coloured opening in the present spi el ’ 
while in E. truncatus it is by no means so simple, and covers a much larger oblong area. n 
the latter species, the under side of the abdomen is dark, with, almost always, three long 1 
tudinal paralled white lines; while in the present spider it is pale and almost uni foi m y 
covered with white cretaceous spots. 
M. Eugene Simon, indeed {Aran. none. ou pen connus du midi de V Europe, Mem. I |ie » e ’ 
1875), concludes Episinus algiricus , Luc., to be identical with E. truncaius, Walck. ; but ie 
gives no proof of this, beyond the fact that he has taken numbers of E. truncatus in Morocco, 
Spain, and Corsica. M. Lucas, however, appears to have had no doubt of the distinctness 
the spider he describes as E. algiricus. 
Eab.— Murree, June 11th to July 14tli, 1877. 
Genus — THERIDION, Walck. 
33. — Theridion riparium. 
Theridion riparium., Blackw., Spid. Great Brit, and Irel., p. 182, pi. xii, fig. 115. ^ ^ 
An adult female of this spider, which, although in very bad condition, appeared to 1 
indistinguishable from European examples, was found in Dr. Stoliczka’s collection. 
Eab. — Murree, June 11th to July 14th, 1873. 
34.— Tueridion lepidum, sp. n. 
Adult female : length very nearly 2 lines. ^ 
The whole of the fore part of this pretty spider is brownish -yellow. The cephalo > ()l 
