Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 597
te their presence in numerous localitiesfrom which their living forms have long since disappeared ; for theaccumulation of sediment formed by their successive production anddeath, even on the bed of the ocean or on the bottoms of fresh-water lakes, gives rise to deposits which may attain… … Fig. 418.—Fossil Diatomaceae &c. from Oran : a, a, a, Coscinocliscus; b, b, b,.Actinocyclus ; c, Dictyochya fibula; d, Lithasteriscus radiatus; e, Spongolithisacicularis; /, /, Grammatophora yparallela (side view); g, g, Grammatojphoraangulosa (front view). nate, in the neighbourhood of the…
Microscopy
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