EMBRYO OF 20 MM. 



245 



Q S 



!w co *j 

 8 - 15 



^i 



CJ Q 



>-> S 



M JS W 



s = 



O 



Q 



~* ~ 



Z $ S -i 



I *-^ 



h ^3 



en 



- <u 



a 1 ". jj 



2 



g tuO 3 



bfl .S 



2 ^ 



^ u 



^'S 



Hi .Q 3 



, S 



u 



CJ -S 



<L> rt 



G 



."3 r i H 



i 1 5 1 g" C 



< u ^ ^ X 



- 



