



.*// 



r 



^\ 



^4 



8 



:? 



A. 



4 





^Wa 





11 



Fig. 29 

 COMPLEX VEGETATIVE REPRODUCTION 



(]-r>) Streptococcus faecalis, x 3000 ; 16-11) Shigella flexneri. x 3000. 

 (I) Large cell with elongated fu.sion nucleus. 

 (2-4) Development of filament. 

 (5) Fragmentation of filament. 

 (6, 7) Trinucleate pre-fusion cells. 



(8, i>) Fusion nuclei. In (8) compare fusion cell {left) with rlivif 

 ■mal cell (ri'^ht). 



(10, 11, 12) Development of fusion nucleus. 



(13, 14, 15) Redistribution of nuclear elements in growing filament, 



(IH, 17) Fragmentation of filament. (16) stained for nuclear structu 



1 V- ' 



il2| '14 15 



(Reprotluccit from the Journal of Hygiene.'^ 



ing cell {coitir) and 



■es, (17) for cell walls 



