■ 



process. The cell next to 



part a nucleus, the first 

 - -m, 



,61 _Xi - - 



central peripheral cells, like tps« 



i i 

 blast . i: Lne, a 



is thicke • an ' so that onu can find no line 



of sep LOle has c 



■ar - . . 



- . oints of intex section: 



the presence of vacuole! - Lp to se] irate the r: 



' 



ar s , 

 having some yolk particles in it; a irs of nei 



ing cells with spindles at rj 



last illustrate the exc irregul .cation in the 



Pipefii 



.63 is a near 1: I section t 



. ite "between t} the thick- .It, 



sharply marked off from the outer periblast which it over- 

 -- ht. The . btion cavity is reducec 



