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THE ZOOLOGIST.
desert-like regions along the coast, and it will be here observed that its need for water is considerably modified according to its surroundings. In the desert-like sandy plains around Roebuck Bay on the coast of West Australia the species was perhaps even more numerous than along the rivers of Arnhem Land. With two exceptions, no surface-water was here to be found, and the animals quenched their thirst either by the moisture obtainable with their food, or by going to the shore of the ocean and drinking the brine.