SPIDERS rent in the silk, which is afterwards mended from within. The male is smaller, almost black, and may sometimes be found moving slowly about in the sunshine in the neigh- bourhood of the colony. The spider has also been recorded under the names A. sulxerl and A. piceus by English authors. 2. Atypus beciii, O. P.-Cambridge Hastings (R. Beck) This species is that which has been, by continental authors, referred to as A. piceus, Sultzer. It is very doubtful whether this species has ever been taken in this country ; but has probably been recorded for Sussex by mistake. ARACHNOMORPHM DYSDERID^ Spiders with six eyes and two pairs of stigmatic openings, situated close together on the genital rima ; the anterior pair communicating with lung books, the posterior with tracheal tubes. Tarsal claws, two in Dysdera, three in Harpacta and Segestrla. 3. Dysdera cambridgii, Thorell Sussex (O.P.-C.) Not uncommon under stones and bark of trees, where it lurks within a tubular retreat. The spider is easily recognizable by its elongate form, orange legs, dark mahogany carapace and pale clay-yellow abdomen. The palpal bulb of the male has no cross-piece at the apex. This spider is also known as D. erythrina, Blackwall. 4. Dysdera crocota, C. L. Koch Hastings (F.P.S.) ; Shoreham (J.H.B.) Larger than the last species, with a deep orange-pink carapace, orange legs, and abdo- men with a delicate rosy-pink flush. The palpal bulb of the male has a cross-piece at the apex. This spider is also known as D. rubicunda, Blackwall. 4A. Oonops pulcher, Templeton Hastings (F.P.S.) 5. Harpactes hombergii (Scopoli) Hastings (F.P.S.) Common on heaths, also to be met with under bark of trees, and recognizable by its ant-like linear form, black carapace and pale abdomen, and its three tarsal claws. DRASSID^ Spiders with eight eyes, situated in two transverse rows. The tracheal openings lie just in front of the spinners. The tarsal claws are two in number, the anterior pair of spinners arc set wide apart at the base, and the maxillae are more or less impressed across the middle. 6. Drassodes lapidosus (Walckenaer) 8. Drassodes sylvestris (Blackwall) Hastings (F.P.S.) Shoreham (J.H.B.) Hastings (F.P.S.) TT ■■ u ..u ^ • Not uncommon amonest dead leaves in Usually common beneath stones m every & locality. 7. Drassodes cupreus (Blackwall) Brighton This is a darker spider than the last. The mandibles of the male are less developed and the tibia of the palpus is shorter and broader. The central tongue of the vulva of the female is not so much dilate behind. It may be considered a sub-species. woods. 9. Scotophaus blackwallii (Thorell) Brighton A dark elongate mouse-grey spider, often found wandering about the walls of dwellings and outhouses at night. 10. Prosthesima pedestris (C. Koch) Folkestone (O.P.-C.) ; Hastings (F.P.S.) lOA. Gnaphosa lugubris, C. L. Koch Worthing (O.P.-C.) CLUBIONIDiE Spiders with eight eyes, situated in two transverse rows. The tracheal openings lie immediately in front of the spinners. The tarsal claws are two in number, but the anterior pair of spinners are set close together at the base, and the maxillae are convex, not impressed across the middle. the anterior half of the abdomen. Known also as Drassus nitens, Blackwall. II. Micaria pulicaria (Sundevall) Hastings (F.P.S.) A small dark spider, iridescent and shining, with a white cincture round the middle of Phrurolithus festivus, C. L. Koch Hastings (F.P.S.) 239
