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 SPIDERS vulva. Known also under Trochosa and as Lycosa campcstris, Blackwall. 47. Lycosa terrlcola, Thorell. Whitsand Cliffs (G. C. B.) ; Gerrans Bay ; Liskeard. Known also as L. agretyca, Blackwall, and under Trochosa. 48. Lycosa puhtruknta, Clerck. Liskeard ; Mawnan. Known also as Lycosa rapax, Blackwall, and under the genus Tarentula. 49. Lycosa perita, Latreille. Whitsand Bay (G. C. B.). A very beautiful species, usually frequenting sandy places, its colours assimilating admirably with its surroundings. It constructs a shallow burrow in the sands sometimes having a narrow lid-like roof over the entrance. Known also as Lycosa ficta. 50. Pardosa nigriceps, Thorell. Liskeard ; Downderry Cliffs (G. C. B.). Occurs not uncommonly in the moorland districts of Cornwall. 5 1 . Pardosa lugubrit, Walckenaer. Mawnan. A very abundant spider in the spring, running rapidly over the dead leaves in the woods. Known also under Lycosa. 52. Pardosa pullata, Clerck. Downderry Cliffs (G. C. B.). Known also under Lycosa and L. obscura, Blackwall. 53. Pardosa palustrls, Linnaeus. Mawnan. Known also under Lycosa and as L. exigua, Black- wall (in part). 54. Pardosa amentata, Clerck. Mawnan ; Liskeard. Very abundant on logs of wood or hatchways, in meadows and by the riverside ; also in gardens. One of our largest Pardosas. Known also under Lycosa and as L. saccata, Blackwall. 55. Pardosa annulata, Thorell. Polperro. Somewhat similar to but smaller than the last- named species. Known also under Lycosa. 56. Pirata firaticus, Clerck. Falmouth. Common in marshy places, carrying its pure white egg-sac on the spinners. Known also as Lycosa piratica. 57. Pirata latitani, Blackwall. Falmouth. A smaller species, but commoner than the last. Known also as Lycosa latitans. AGELENIDAE Spiders with eight eyes, situated in two transverse rows. Legs with three tarsal claws. The species of this family spin a large sheet-like web, and construct a tubular retreat at the back of it, which leads to some crevice amongst the rocks or the herbage or the chinks in the walls of outhouses, wherever the various species may happen to be found. The posterior pair of spin- ners is usually much longer than the other two pain. 58. Tegenana atrica, C. L. Koch. Portscatho. A very large spider with long legs, not uncommon in cellars and outhouses, and also in holes, in banks, &c. 59. Tegenarla dcrhamli, Scopoli. Portscatho. A smaller, paler, and more common species than ~ ' f -nam. F. Imost entirely confined to houses own also as T. civilis. Tfgenaria sllvestris, C. L. Koch. A still. .laller species, sometimes not uncommon amongst rockeries in greenhouses and gardens. Known also as T. campestris. 61. Textrix denticulata, Olivier. Looe. A common and swiftly-moving spider found under the rocks and stones on the undercliffs. It may be recognized by the red, or sometimes almost white, dentate band on the abdomen. Known also as Textrix lycosina, Sundevall. 62. Agelena labyrlnthica, Clerck. Mawnan ; Liskeard. A common spider, large when full-grown, spinning a huge sheet-like white web over the herbage, with a funnel-shaped tubular retreat. Like others of the family the posterior pair of spinners is formed of two distinct segments. 63. Hahnia montana, Blackwall. Polperro; Mawnan. Known also as Agekna montana. ARGYOPIDAE The spiders included in this family have eight eyes, situated in two rows, the lateral eyes of both rows being usually adjacent, if not in actual contact, while the central eyes form a quadrangle. The tarsal claws are three, often with other supernumerary claws. The web is either an orbicular snare, or consists of a sheet of webbing, beneath which the spiders hang and capture the prey as it falls upon the sheet. This immense family includes those usually separated under the names of Eperidae and Linyphlidae. 64. Meta segmentata, Clerck. Mawnan ; Liskeard. A very abundant spider in the summer and autumn amongst nettles and other herbage along hedgerows. The spiders vary very much in size and spin an 249