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 302
he muscularAvails are covered with a transparent skin, studded withround orange-coloured spots, perhaps glandular, exactlysimilar to those we saw on the exterior of the spines andpedicellarice. Now, to illustrate the actionof these tubular feet, I musta^ain have recourse to thedenuded shell of a… … PORES OF URCHINS 290 EVENINGS AT THE MICROSCOPE. rminute holes or pores, which are arranged in ten longi-tudinal lines, associated so as to make five pairs of lines.Now with a lens examine more minutely a portion of anyone of these lines, and you discern that it is composedof a multitude of pores,…
Zoology · Microscopy
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