. The naturalist in Australia. Natural history. 218 THE NATURALIST IN AUSTRALIA. and multiplication. A coloured representation of this si^ecies is included in that Plate of the writer's book on the "Great Barrier Keef" illustrative of Queensland Beche-de-Mer, of which group it is a non-commercial type. A photograph of a cluster of over a dozen of these Eoebuck Bay individuals, taken vertically through the water, with their tentacular crowns in several instances partly extended, is reproduced to a scale of one-third of their life size in the accompanying illustra- tion. A remarkably f
. The naturalist in Australia. Natural history. 218 THE NATURALIST IN AUSTRALIA. and multiplication. A coloured representation of this si^ecies is included in that Plate of the writer's book on the "Great Barrier Keef" illustrative of Queensland Beche-de-Mer, of which group it is a non-commercial type. A photograph of a cluster of over a dozen of these Eoebuck Bay individuals, taken vertically through the water, with their tentacular crowns in several instances partly extended, is reproduced to a scale of one-third of their life size in the accompanying illustra- tion. A remarkably fine and possibly new representative of apparently the same genus Colochirus was obtained by the writer in King's Sound, further north. Its extended length was as much as nine inches, its body colour pale lilac with bright vermilion acetabular ridges, and the expanded tentacles orange scarlet with yellow tips. Another somewhat abnormal example of colour development which affects the coast scenery of the foreshore of Entrance Point, Roebuck Bay, when visible at low spring tide, invites brief notice. The above tide conditions subsisting on the occasion of the writer's first visit to the Port of Broome, his attention was arrested by II S,n,ll,-Etnt, SOCIAL HOLOTHTKiANS, Colochirus fn/rcps. hoehuck bay, ^\'1:stekn ax'stkalia. ONE-THIKI) NATl'KAL SIZE. the presence on the foreshore of what, as viewed with glasses from the steamer's deck, appeared to be masses of some solid form of coral of a bright scarlet hue. Among the innvunerable species of Madreporidte observed and collected by the writer on the reefs of the Northern and Eastern Australian sea-boards, no coral of such a tint had been met with. The earliest opportunity was consequently seized of repairing to this reef, in the anticipation of securing a notable scientific novelty. The goal arrived at, these great expectations were to some extent disappointed by the discovery that the masses were corals indeed, but that the
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