Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 642
th the peculiar flowing movement already described.(§ 395). The whole of this sarcodic extension is at once retractedif the cell which holds the Globigerina receives a sudden shock, ora drop of any irritating fluid is added to the water it contains.—Itis maintained by Sir Wyville Thomson that the… … Globigerhia, as captured by tow-net, floating at or near surface. and which, when they die, lose their spines and subside. But it hasbeen shown by the careful comparison made by Mr. H. B.Bradybetween the surface-gatherings and the bottom-deposits of the sameareas, that the two are often so marked,…
Microscopy · Biology
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