ii6 GENERAL BIOLOGY 



and fully expose the yellow gregarines to view: these may 

 be lifted with a pipette and mounted in normal salt solution 

 for study) . For the division, conjugation, and spore forming 

 stages, use prepared slides. 



For the ordinary process of sexual reproduction, either 

 fresh or preserved material representing that phase in either 

 Volvox or a stone wort, (Chara or Nitella). 



The record of this study may well consist of drawings 

 illustrating such phenomena as have been available for 

 study. 



