\ 



't struct ^^" 



Wetness 



■^1;%; 



\ 



ifit; 



^ for k; ^ 



ake 



out tt( 



luding si ' 



' some & 



t 



and SOI- ' 

 careful aoJ ■ 



is point 



3 



ly differeot ; 

 concentra- ■ 

 J increase _ 

 boundi: 



L 



erentiatioD 

 to that 



;ar 



5 formed' 

 resent tk 

 ned rathf 

 ■rent si2« 



■eriTiin 



ateJ 



\ 



1 



, of tb^ ^' . 



I 



did see^; ^ 



par 



0^'' ) 



THE BEGINNINGS OF LIFE, 



247 



in the production of Taramecia of a correspondingly 

 different bulk. Just as in the previously described 



c 



\ 



'lrT\r<*^ 



Fig. 64. 

 Mode of Origin of Parainecia, ( X Sod.) 



h 



h 



a. First stage of differentiation. 



h. Later stage in which vacuole has appeared, 



y , Similar stage of much larger embryo. 



h". Another embryo which has segmented into four (only three parts 



visible). 



c, Later stage — embryo filled with large particles and revolving within 



its cyst. 



d, Paramecium after it emerges from its cyst, 



e, NasstdaASko, form into which many afterwards passed. 



\ 



embryonal areas, masses of different size began to ex- 

 hibit signs of change ; so also here spherical portions of 



r 



the pellicle, differing within the limits above mentioned. 



