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Show 1902.] MR. H. R. llOGG ON AUSTRALASIAN SPIDERS 421 Male. Long. Broad. Cephalothorax 8 f4 7 Abdomen 1 * 5 Mandibles Q &1 ~_ :less than front pat. Pat. & Metat. Coxae. Tr. & fem. tib. & tars. •Legs ........... 1. 3 14| 181 17 - 53 3 (5,131) 2. 141 17 17 =3 511 3. 3 11 11 10 - 35 4. 3 13 13 13 - 42 Palpi ............. . 1* 5 5 4 = 151 Female (Brisbane). Long. Broad. Cephalothorax ... 12 10 Abdomen 13 1 9 Mandibles 5 Pat. & Metat. Coxse. Tr. & fem. tib. & tars. Legs ........... 1. 4 181 18 = 55 2. 4 14 181 161 - 53 3. 4 11 121 12 == 391 Palpi .............. 4. 4 13.1 14| 141 = 46i 2 5" 6 5 = 18 Group D e l e n e ^e . 1 adopt Delena as the type genus of a group in preference to leaving the Australian genera incorporated with M. Simon's Sparassece, because the former genus exhibits the most complete type of differentiation both in its flattened form and in the Australian type of male palp. By the latter point these genera and Neosparassus are, as far as we have seen the males, entirely distinguishable from the type species of the genus Sparassus Walck. (S. argelasius of Southern Europe), so that for the Australian members of that genus I have established the new genus Neosparassus. To this, provisionally, I transfer those forms recently classed as Sparassus, but, until all the males have been proved to conform to it, its limits cannot be accurately defined, and it further remains a moot point whether any boundary-line can be drawn between it and Isopeda. The species at present associated with the genus will be those ascribed by L. Koch to Heteropoda, as above stated, erroneously. Neos'parassus diana L. K. is a good representative of the genus. Through N. salacms L. K. it runs very closely into Isopeda L. K. The latter genus, while very constant in the respective sizes of |