450 



THE BEGINNINGS OF LIFE. 



faea-reerated into flakes), and a great multitude of very 



actively-moving particles. Some of them had a figure- 

 of-8 shape, and others were well -formed Bacteria. 

 There were also a few monilated chains, as well as 

 simple unsegmented Leptothrix filaments. The most 



CCCCO 



Fig. 34. 



L 



Bacteria, different kinds of Leptoihrix, and green Organisms resembling 

 Desmids, from a Solution of Iron and Ammonic Citrate. ( X 800.) 



notable products, however, were a great number of single 

 and aggregated organisms, resembling certain simple 



contents were decidedly greenish, though the hue was 

 not so bright as that of the organisms found in the last 

 solution. Some were single, and others were in groups 



of four or eight ^ 



Two drops of the solution, containing some of the 

 sediment, were placed in a clean animalcule-cage, 



1 The organisms in this solution more closely resembled those of 

 Experiment 2 (p. 365) than those of Experiments I and m. Bacteria were 

 contained in both, and the solutions themselves were also more similar 



neither of them had become fluorescent. 



fJlE' 



Icreasea in ^ 

 ■ of eight celJ 

 was seen di 

 three elong; 

 is of protoplasi 

 developme 



:iveral Leptotl: 

 rien place i n t 



I 



■:rtivemovemc] 



4 



:L 



itents of the 



seemed gr 

 ■■^Dd increased 



1 



^ was kept 



I. 



Desmids and Tediastrea. Like them, also, they exhi- "^mm \, ^ 

 bited slow oscillations or partial slight rotations. Their '*i sulphate^ 



'-diloridi i 



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m 



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^(^um forr 



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