THALLOGENS. 229 
which agitates them becomes excessively animated, and in a few 
minutes the whole substance of the ring under observation is an 
.* 
Fig. 300. Reproduction of Sphseroplea, 
© eins multitude of corpuscles. A second and a third ring 
the Same cellules undergo the same process, until the whole 
“S 1s filled with elongated corpuscles which move and swarm in 
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