42 



HID BOZO A. 



Q^. G 



Fig. 6. 



'-U^.f" 



Eeproductive processes of H ydbozoa: — a — d, simple processes of 

 body-wall, variously modified, containing generative organs; e — m, 

 more complex series of reproductive bodies, each giving rise to a 

 gonocalyx : — ;u, portion of body-wall ; /w', wall of gonocalyx ; ,u", 

 inward projecture of m', or veil of gonocalyx ; k', simple diverti- 

 culum of the somatic cavity; >?, lateral prolongation of the same* 

 forming one of the gonocalycine canals ; k", cavity of manubrium ; 

 p, spermaria or ovaria. (These drawings are diagrammatic.) 



