190 



PARASITISM 

 Fig. 80 



Gamete formation and sponilation in Ophryocystis mesnili, L^ger. (After L^ger.) X 2000. 

 A, two individuals attached by processes to ciliated epithelial cells of Jlalpighian tubule of 

 Tenebro mollitor; B, union of "gamonts;" C,D,E, first division of nuclei to form ger- 

 minal and somatic (s) nuclei; F. division of germinal nuclei to form first reduction nucleus 

 (r); O, segregation of protoj>lasni to form gametes {g); H,I,J, fusion of mature gametes; 

 K.L,M, first division of zygote; A'', normal sporoblast with eight sporozoites. 



