odo'O^O op 



B 



Fig. 33. — Chironomus. A. Longitudinal section through the posterior 

 end of a freshly laid egg. B. Longitudinal section through egg 

 during division of first four cleavage nuclei ; at posterior end the 

 primordial germ cell is just being formed. C. One of primordial 

 germ cells containing two nuclei and remains of " Keimbahnplasma." 

 D. Germ gland of the larva in which remains of " Keimbahnplasma " 

 still appear. Khpl = " Keimbahnplasma " ; p.^.c. = primordial germ 

 cell. {Frovi Hasper, 1911.) (110) 



