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Show 444 MR. U. R. IIOGG OX AUSTRALASIAN SPIDERS. [Dec. 2, The mandibles of both are smooth and broad, the female remarkably rounded and kneed at base. There is a black sloping streak at the base of femur i., and a similar dark brown streak at base of tibia i. In both sexes a spine on tibia iii. above, none on iv. Cephalothorax ... Abdomen ............ Mandibles............ Legs ................. 1. 2. 3. 4. Palpi ......................... Cephalothorax ... Abdomen ............ Mandibles............ Legs ................. 1 2 34 Palpi ....................... I sopeda pessleri Thor. Isopeda pessleri Thor. Ar. non. Nov. Holl., Ofv. K. Vet.-Akad. Forh. 1870, no. 4, p. 684. Isopeda pessleri L. Koch, Die Arachn. Austr. 1875, p. 684. Loc. Queensland and New South Wales. Some South (Adelaide Mus.) and Central (Horn Exp.) Australian specimens are very close to this, but larger, and probably not the same. I sopeda villosa L. Koch. Isopeda villosa L. Koch, Die Arachn. Austr. 1875, p. 687. Loc. Sydney (L. K.). Specimens from Victoria and South Australia I attribute to this-they have eight spots on back, two middle pairs conjoined; also a female sent by Dr. Broom from Muldiva, Queensland. The latter measures in millimetres :- Measurements in millimetres. Female. Long. Broad. 8i J 5I *2 \8A 11| 8i 4 2| Pat. & Metat. Cox®. Tr. & fem. tib. & tars. 3 9 41,61 10 = 33 (I lf 37 26 29 H I Lon 7 3 101 121 i i = 3 7 9" 7 = 3 8 9 9 = 2 3| 3 3 - Male. >g- Broad. 7 io 5 1o 2" = pat,. i. Pat. & Metat. Coxae., Ti:. & fem. tib. & tars. 3 10 121 12 = 3 12 14| 14 = 3 91 8 " 8 = 3 10" H 10 = 2 4 9-'12 41 = 37i 431 281 3 l ! 13" |