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Show 1 9 0 5 . J SOUTH AUSTRALIAN SPIDERS. 5 8 3 yellow decumbent hair and long erect brown bristles. Lip, maxillae, and sternum dark red-brown, with dark yellow-brown hair. Coxa? with rather browner hair. The abdomen above is yellow or grey-brown, almost orange on the sides in some specimens, in others paler yellow-brown. The whole of the under side from base to spinnerets of a dull dingy brown, about the same colour as the coxae. Legs and palpi red-brown, with pale yellow-grey hair somewhat darker underneath. The cephalothorax is as long as patella cum tibia iv. ; as broad as femur i. It is slightly wider in front than one-half the greatest breadth. There are three large teeth of equal size on the lower edge of the falx-sheath, and one large tooth between two small teeth, the lower of which is a little distance off, on the upper side. The front row of eyes is straight along the lower edge, the larger median being 1 k times the diameter of the laterals ; they are one-half the diameter of the larger apart. The clypeus is as broad as the median front eyes, and they are the same distance from the pair of the second row. The latter are § of their diameter apart, and the row is one-tliird longer than the front row. The lip is broader than long, and barely half as long as the maxillae. There are two spines above on tibiae iii. and iv., none on i. and ii. There are five females from the Gilbert River, Riverina, all fully developed. Two large and three smaller vary considerably in size, but I can discover no structural differences between them. The epigyne is of a liorseshoe-shape, slightly broader than long. The median ridge broad at the base, and tapers to a narrow ridge anteriorly. Measurements in millimetres (of a large and small specimen respectively). Long. Broad. Cephalothorax ... 14 r 5| in 1 Abdomen ........... 17* 13 Mandibles........... n2 Pat. & Metat. Coxa. Tr. & fem. tib. & tars. 1. 6 1 2 13 1 2 43 2 . 5 1 U 1 2 1 2 = 404 3. 5 11' 1 1 1 2 = 3 9 ' 4. 6 14 14 17 = 51 2 1 5 4 = 174 Long. Broad. Cephalothorax ... 11 j 74 Abdomen ........... 13 9 Mandibles........... H P r o c . Z o o l . S oc. - 1 9 0 5 , V o l . II. No. X X X IX . 39 |