^ 



/ 



^^^S and tt(,. 

 ■ions in c^,' 



nents. I 



-i^t, which; 

 ivingmattt-^^ 



oducts ivtic 

 tions : an^ i; 



■incipal fa* : 

 rij or disccS' 



h 



id fcsion 



althougli §: 

 ?parates 

 living 



is in cics 

 really fif« 





THE BEGINNINGS OF LIFE, 



139 



forms, many of which frequently occur together in the 

 same solution, depend upon the frequency with which 



V 



/ 



Fig. 46. 



Bacteria growing into Vibriones, Leptothrix, and Spirillum. ( X 1670.) 



a, a. Different kinds of Bacteria and Vihriojies. 

 h, b, and c. Different kinds of Leptotbrioc filaments. 



d, d. Rudimentary Spirilla, some of which were ultimately seen to 



give rise to Fungus-mycelia. 

 f, tf. 7*orw/a-like Bacteria developing into Fungus-mycelia. 



segmentation tends to occur^ and upon the degree of 

 completeness of the process '^. Where the segmentation 



^ Speaking of these various forms, M. Ch. Robin says : — ' Les obser- 

 vateurs modernes les plus experiments i n^ont pas encore pu trouver des 

 caractcres specifiques et distinctifs r^els, permettant de separer en plu- 

 sieurs especes les corps organises tr^s-repandues designes ici, bien que 

 des vues thSoriques ou des observations trop restreintes aient fait croire 

 le contraire/ ('Traits du Microscope/ 1871, p. 929.) 



