. Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals. Animals. 128 ANIMAL COLORATION. discovered. Tritonia plebeia is, according to Prof. Herdman, â generally found creeping over the surface of colonies of Alojonium digitatumâ" Dead men's fingers " ; its colours, like those of the polyp, are various shades of yellow, brown, and grey. Dendronotus (see fig. 10) is marked with purple, brown, and yellow tints, and it is to be met with among masses of brown and yellow zoophytes. It is true that the. Fig. 10.âEolis and Dendrono
. Animal coloration; an account of the principal facts and theories relating to the colours and markings of animals. Animals. 128 ANIMAL COLORATION. discovered. Tritonia plebeia is, according to Prof. Herdman, â generally found creeping over the surface of colonies of Alojonium digitatumâ" Dead men's fingers " ; its colours, like those of the polyp, are various shades of yellow, brown, and grey. Dendronotus (see fig. 10) is marked with purple, brown, and yellow tints, and it is to be met with among masses of brown and yellow zoophytes. It is true that the. Fig. 10.âEolis and Dendronotus. similarity between these molluscs and their living environment is heightened by the dorsal processes already referred to ; these processes simulate the polyps in various degrees of ex- pansion and retraction ; but this resemblance would not be of much advantage, were the colours in striking contrast. That the resemblance in coloration is due to the action of natural selection, and not to the direct transference of pigment from the polyps upon which the nudibranchs browse, cannot be for. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Beddard, Frank E. (Frank Evers), 1858-1925. London, S. Sonnenschein; New York, Macmillan
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanimals, bookyear1892
