No. Oil] Gi-:xi':sLs of orgasizatiox of ixsfct fog 613 



up during- tlie growtJi of tlie eiii])ryo. This deutoplasm 

 is coiiiiwsed of vitolliiio si)liores, wliicli contain refringent 

 granules, tlie vitelliue 

 bodies, and of oil glob- 

 ules. The deuto])lasmic 

 bodies are embedded 

 in a viseid cytoplasmic 

 matrix which, however, 

 is very slight in amount 

 as compared with the | 

 deuto])lasmic material. 

 At the periphery of the / 



