Evenings at the microscope : or, Researches among the minuter organs and forms of animal life (1884)
Gosse, Philip Henry, 1810-1888 · London : Society for Promoting Christian Knowledge · leaf 311
n length, and a little more than .002in width; but some specimens occur which are a littlelarger, and others a little smaller than this ; while theirregular plates are sometimes three times the length. Some of the more worm-likemembers of this class have,however, a skeleton composedof pieces… … WlIKhL UN IH1KODOTA. SEA-URCHINS AND SEA-CUCUMBERS. 299 specimen of which is in my possession, but I have vainlyexamined the skin for any structure analogous to this.*In the Mediterranean species the skin, especially of thebelly-side, is described as filled with plates exactly re-sembling broad and…
Zoology · Microscopy
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