BY WILLIAM MACLEAY, F.L.S., &C. 213 Equula edentula, Cybium semifasciaturn, Chirocentrus dorab, Tria-canthus biaculeatus, Tetrodon reticularis and kevigatus, Trygon Uarnak and Sephen, Tseniura Mortoni. Eleven may be classed as salt-water fishes occasionally ascending rivers into fresh water : — Lates Darwiniensis, Pseuclolates cavifrons, Polynemus tetradacty-lus, Corvina argentea, Platycephalus Mortoni, Periophthalmus aus-tralis, Mugil Waigiensis, Engraulis Hamiltoni, Clupea Sundaica, Elops saurus, Chanos salmonens. The freshwater fishes occa-sionally visiting the sea, are seven in number : — Mugil dobula and Ramsayi, Chatoessus Erebi, and elongatus, Megalops cyprinoides, Anguilla Reinhardtii and marginipinnis. The entirely fresh water fishes are fifteen in number : — Apogo-nichtys Gillii, Oligorus macquariensis, Therapon truttaceus, percoides, longulus, fuliginosns and parviceps, Centropogon robustus, Eleotris planiceps, Atherinichthys maculatus, Neosilurus Hyrtlii, Copidoglanis tandanus, Arius Australis, Belone KrefFtii, Ceratodus Forsteri. Notes on the Method of Obtaining Water from Eucalyptus Roots as practiced by the Natives of the Country, BETWEEN THE LaCHLAN AND DARLING RlVERS. By K. H. Bennett, Esq. The country situated between the Lachlan and Darling Rivers (in some places nearly 200 miles wide) was until recent years, before its occupation for pastoral purposes, even in ordinary seasons entirely destitute of water for several months in each year, and the natives who formerly claimed and roamed over the country for a distance of forty or fifty miles from the above named rivers, were compelled during the hot dry months to resort to their banks, and remain there until the uncertain rainfall of this region had replenished the shallow swamps and waterholes ; but with the scattered tribes or rather families who inhabited the still more arid intermediate portion, and between whom and the river natives a bitter feud existed, the case was different; here p