190 



PARASITISM 



FIG. 80 





Gamete formation and sporulation in Ophryoeystis mesnili, Leger. (After Leger.) X 2000. 

 A, two individuals attached by processes to ciliated epithelial cells of Malpighian 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); G, segregation of protoplasm to form gametes (g); H,I,J, fusion of mature gametes; 

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



