Tylor, Alfred, 1824-1884, Skertchly, Sydney B. J · London, Alabaster, Passmore · leaf 85
ls prevail. Sollas, one of ourbest English authorities upon sponges, writes, The colours ofsponges, which are very various, are usually due to the presence ofpigment granules, interbedded either in the endosarc of the flagellatedcells, or in the mesodertnic cells, usually of the skin only, but… … CHAPTER IX. Details of Ccelenterata.I. Hydrozoa. A. Hydrida, THE Hydras, as a rule, are not coloured in our sense of the term ;that is to say, they are of a general uniform brown colour.But in one species, H. viridis, the endoderm contains granules of agreen colour, which is said to be identical…
Animals · Color of insects · Flowers · Plants
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