Page:VCH Surrey 1.djvu/227

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SPIDERS The members of this family have eight eyes, situated in very much the same position as those of the Argiopidte, but the mandibles are usually weak, the maxilla are inclined over the labium, and the posterior legs have a comb of stiff curved spines beneath the tarsi. The web consists of a tangle of crossing lines, and the spider often constructs a tent-like retreat wherein the egg-sac is hung up. Tarsal claws, three. The legs are devoid of spines. 140. Theridion tepidariorum, C. L. Koch. Wimbledon. One of the commonest spiders in our hot- houses, and often venturing to endeavour to acclimatize itself out of doors in the gardens. 141. Theridion sisyphium (Clerck). Horsley, Wimbledon (F. P. S.). 142. Theridion pictum, Hahn. Horsley (F. P. S.). 143. Theridion varians, Hahn. Wimbledon. 144. Theridion denticulatum, Walckenaer. Wimbledon. 145. Theridion simile, C. L. Koch. Carshalton. 146. Theridion bimaculatum (Linn.). Horsley (F. P. S.). 147. Theridion auiicum, C. L. Koch. Woking. This species is also known under the name of T. rufolineatum. 148. Theridion ova turn (Clerck). Wimbledon (F. P. S.). This spider is also known as T. lineatum, or under the generic name Phyllonethis. 149. Theridion pa liens, Blackwall. Carshalton. 150. Episinus lugubris, Simon. Horsley (F. P. S.). This spider has hitherto been regarded as E. truncatus, Walckenaer. 151. Pholcomma gibbum, Westring. Wimbledon (F. P. S.). 152. Steatoda bipunctata (Linn.). Wimbledon. 153. Pedanostetbus lividus (Blackwall). Carshalton. 154. Enoplognatha thoracica (Hahn). Wimbledon (F. P. S.). PHOLCID.E 155. Pholcus phalangioides (Fuesslin). Wimbledon. DICTYNID.E The species belonging to this family possess eight eyes, situated in two transverse almost parallel rows, the laterals being in contact. The calamistrum and cribellum are present, and there are three tarsal claws. They construct a tubular retreat with an outer sheet of webbing, which is covered with a flocculent silk made with the calamistrum and threads from the cribellum. 156. Amaurobius fenestralis (Stroem). Horsley, Wimbledon (F. P. S.). 157. Amaurobius similis (Blackwall). Horsley, Wimbledon (F. P. S.) ; abundant everywhere. 158. Amaurobius ferox (Walckenaer). Wimbledon. 159. Dictyna arundinacea (Linn.). Wimbledon. 1 60. Dictyna uncinata, Thorell. Horsley (F. P. S.). 161. Dictyna latens (Fabricius). Horsley (F. P. S.). 162. Dictyna pusilla, Thorell. Horsley (F. P. S.). CHERNETES CHELIFERID^E Out of twenty species of false scorpions hitherto recorded as indigenous to Great Britain only one has been taken in this county. The various species can usually be found amongst moss and dead leaves, or beneath stones and the bark of trees. They are unmistakable on account of their possession of a pair of forcipated palpi, like those of the true scorpion. 163. Chthonius rayi, L. Koch. River Wandle. 185