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Organic bodies forming the ooze of the bed of the Atlantic at great depths. Globigerina bulloides. Actinocyclus. Pinnularia. Eunotia bidens. Spicula of sponge. Great light has recently been thrown upon the origin of the unconsolidated white chalk by the deep soundings made in the North Atlantic, previous to laying down, in 1858, the electric telegraph between Ireland and Newfoundland.
In some of the red mud scraped from a tooth of one of the Mastodons at Gorodona, Professor Ehrenberg finds seven Polygastrica and thirteen Phytolitharia, all of them, I believe, with two exceptions, already known species. Akad. zu Berlin" April 1845. The list consists of: POLYGASTRICA. Campylodiscus clypeus. Coscinodiscus subtilis. Coscinodiscus al. sp. Eunotia. Gallionella granulata.
For the first time, a living organism was met with the 'Eunotia amphyoxis, with its ovaries green, and therefore capable of life. Here was a solution of the mystery: the dust, mingling with the drops of water falling from the clouds, produced the red rain. Its appearance is that of reddened water, and it cannot be called blood-like without exaggeration.
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