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BIOLOGY OF THE PROTOZOA 



Fig 115— Gamete formation and fertilization in Ophryocystis mesnili. A, two 

 individuals attached by processes to ciliated cells of a Malpighian tubule of Tenehrio 

 viollitor; B, union of gamonts in pseudoconjugation; C, D, E, probable meiotic 

 divisions of nuclei of the two gamonts; G to K, formation of two gametes and their 

 union in fertilization; L to A^, metagamic divisions resulting in eight sporozoites m 

 the single sporoblast. (After Leger.) 



