Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 578
he tip of everyone of the tubular suckers put-forth by the living Echinus fromthe ambulacral pores of its shell. If the entire disk be cut-ofp,and be mounted when dry in Canada balsam, the calcareousrosette may be seen suflB.ciently well; but its beautiful struc-ture is better made-out, when the… … One of the segments of the calcareous skeleton of an Ambulacraldisk of Echinus. 313. The most beautiful display of this reticulated structure,however, is shown in the structure of the spines of Echinus,Cidaris, &c,; m which it is combiaed with solid ribs or pillars,disposed in such a manner as…
Microscopy
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