BY J. BRAZIER, C.M.Z.S., ETC. 431 The living specimen dredged at Sydney Heads is only five lines long, those from New Caledonia are very fine and found in great variety, both in deep water and on saiuly mud-flats at low water. Note ox Oniscia Ponderosa, with its Locality. By J. Brazier, C.M.Z.S., etc. OxiSCIA PONDEROSA. Oniscia ponder osa, Hanley, Proc. Zool. Soc, 1858, p. 255, pi. xlii., fig. 9—10. Sab. Penirihonen, north coast of New Caledonia, {R. C. Ross iter). When it was described by Mr. Hanley the locality of this very rare and beautiful species was unknown. The specimen before me I consider the grandest of the genus, and it is the first found in Australian Seas ; much remains to be done in New Caledonia with the dredge. On the Australian Brachyura Oxyrhyncha. By William A. Haswell, M.A., B.Sc. [Plates 25—27.] Descriptions of several species of Australian Maioid Brachyura occur in the works of Milne-Edwards, and the earlier writers on the subject, and a few have more recently been described by Dana, Streets, A. Milne-Edwards, Hess and Miers. These amount in all to nineteen species, belonging to thirteen genera. I have now to add thirty-seven species (of which seventeen appear to be new to science), thus bringing up the total number to fifty-six species, belonging to twenty-seven different genera. The greater number of the new species are contained in the fine collection
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