. The microscope and its revelations. FIG. 69(5.—Oblique section of prismatic shell-substance. it was first more minutely investigated by Mr. Bowerbank1 and theAuthor,2 and was shown to be connected with a similar arrangementin the membranous residuum left after the de-calcification of the shell -substance by acid, microscopists generally3 agreed to regard it as a calcified epidermis, the long prismatic cells being supposed to beformed by the coalescence of the epidermic cells in piles, and giving On the Structure of the Shells of Molluscous and Conchiferous Animals,inTrans. Mir >•.•«•. ioc
. The microscope and its revelations. FIG. 69(5.—Oblique section of prismatic shell-substance. it was first more minutely investigated by Mr. Bowerbank1 and theAuthor,2 and was shown to be connected with a similar arrangementin the membranous residuum left after the de-calcification of the shell -substance by acid, microscopists generally3 agreed to regard it as a calcified epidermis, the long prismatic cells being supposed to beformed by the coalescence of the epidermic cells in piles, and giving On the Structure of the Shells of Molluscous and Conchiferous Animals,inTrans. Mir >•.•«•. ioc. ser. i. vol. i. 1344, p. 123. 2 On the Microscopic Structure of Shells in Reports of British Association for1*41 and 1847. •• See Mr. Queketts Histologicul Catalogue of the College of Surgeonsiind his Lrrtiin-s on Hivtoliit///, vol. ii. 922 MOLLUSC A AND BRACHIOPODA their shape to the deposit of carbonate of lime formed within progress of inquiry, however, has led to an important modifica-tion of this
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901
