The book Essays And Addresses was written by author James Campbell Brown Here you can read free online of Essays And Addresses book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Essays And Addresses a good or bad book?
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Jelly developing into Slime. Magnified 430 diameters. there was no ferrous bicarbonate at all, in fact, no bicarbonate of any kind ; and in others there was hardly a trace of cadbonate or bicarbonate. The author had difficulty in getting these organisms to remain alive in very dilute ferrous bicarbonate without hay -infusion ; but he succeeded in cultivating them in water containing simply an infusion of hay, when they of course excreted no iron ; while on addition of ferric salts to the hay in...fusion they developed ferruginous tangle as they did in a stream (Figs. 15 and 16). Fig. 15 shows organisms from slime developed in the laboratory in an infusion of hay with 1 S. Winogradsky, " Ueber Eisenbacterien, " Botanische Zeitung, 1888, p. 261. 150 ESSAYS AND ADDRESSES. a little ferric salt added. Fig. 16 shows the same organisms developed in a Welsh stream. Molisch 1 of Graz, in 1892, arrived at the conclusion that the colour is not exclusively due to iron, and that Cohn's and Zopf's organisms developed well without the smallest quantity of iron being present.
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