n8 



THE PSYCHIC LIFE 



EXPLANATION 



FIG. 7 E. 



In the Chilodon cu- 

 cullulus the following is 

 the series of phenomena 

 presented (the row of fig- 

 ures given opposite, have 

 been procured through 

 the kindness of M. Bal- 

 biani, and will serve to il- 

 lustrate our description): 

 The figure A shows the 

 beginning of conjugation; 

 each animal is shown with 

 its mouth (<), its multiple 

 contractile vesicles (v. c.}, 

 its nucleus (n), and its nu- 

 cleolus (mi}; the nucleo- 

 lus will become the main 

 seat of the modifications 

 effected in fecundation. 

 In the figure B the prin- 

 cipal change pertains to 

 the nucleolus; in each of 

 the two animals, the nu- 

 cleolus has moved away 

 from the nucleus and has 

 begun to break apart into 

 two segments; the nucleus 

 commences to show signs 

 of regression. Between 

 the figure j?and the figure 

 C phenomena take place 

 lljl J gl* of the highest importance, 

 but - which are still the 

 subject of dispute. The 

 following appears from 

 present investigations to 

 " ^ Q be the most probable: the 

 -|2 two animals in conjuga- 

 o tin exchange with each 



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