Plate II 



Fie I. Network IN Bioplasm - after HeitztiAN 



Fio2. Spiral ganglion of nerve Jrom frog's Keart. 



(Beale) 



Fio3.Neuc.Iear Division 



Fio4.0vary.Gra&jiar\ Jollicle &, ovum 



Fic>5. Blastoderm. 



HypoblASt 

 Fio6. Migration df cells. Fio7 Granulation-tissue. 



