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Show 560 MR. R. I. POCOCK ON THE ARACHNIDA, [Dec. 4, extremity, where it is bifid; proximally it is furnished with a few longer and shorter hairs. Total length about 7 millim. Five males and six females were taken under stones in Flying- Fish Cove. JULID..E. SPIROSTREPTUS (NODOPYGE) EXOCOXTI, sp. n. Species belonging to the immucronate homomorphous group. Number of somites 54 or 55. Total length about 22 millim. Head-plate convex from above downwards and from side to side, marked above with a short median sulcus; eyes small, consisting of about sixteen or seventeen ocelli; front sparsely punctured and hirsute ; labial margin slightly concave and furnished with five small teeth. Somites. Anterior and posterior margins of the first tergite converging gradually and meeting at an angle of about 50° ; apex of angle rounded, with raised margin; antero-lateral margin as far as the region of the eyes raised; running from the anterior margin of the tergite, from a point on a level with the ocular area backwards and downwards to the posterior margin, is a single sulcus, above the posterior extremity of wdhch there may be a few short sulci. Infero-lateral portions of the hinder half of each somite longitudinally striated, the striae being somewhat widely separated ; foramina repugnatoria small, round, situated in the middle of the plate above the striated portion ; upper surface of somites bearing a few setiferous punctures, the hinder half of each divided by a complete sulcus. Anal tergite hirsute, not posteriorly produced into a process which overhangs the anal valves ; anal valves hirsute, not prominent, with margins not compressed; subanal plate evenly rounded. Colour shining black ; hind margins of segments and labial regions lighter ; legs testaceous. One specimen, which has in all probability lately undergone a moult, is pale-coloured. Five specimens (one 8 ) taken under stones in Flying-Fish Cove. ARACHNIDA. EPEIRID_E. NEPHILA NIGRITARSIS (L. Koch). Nephila nigritarsis, L. Koch, Die Arachniden Australiens, &c, i. p. 152, pi. xii. fig. 4. Seven adult female specimens from the lower slope above Flying- Fish Cove. This Australian species was described by Dr. Koch from specimens obtained from Rockhampton and Port Mackay. Received with the above were four immature specimens of Nephila which I cannot with certainty identify. Probably they are the |
