Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 1073
by Mr. Sorby) the cocco-liths and coccospheres at present found on the sea-bottom are oftento be discovered by the microscopic examination of chalk.1 Allthese correspondences show that the formation of chalk took placeunder conditions essentially similar to those under which the deposit•of… … Fki. 7»1.—Microscopic organisms in chalk from Mciulon, seen partly ubopaque, and partly as transparent ohjccts. •sii-able to separate, with as little trouble as possible, the larger andmore definitely organised bodies from the minute amorphous particles ;and the mode of doing this will depend upon…
Microscopy
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