GREGARINIDA 



FIG. 64. Schematic figures of conjugation and spore formation in Gregarines. For details 

 see text. (After Calkins and Siedlecki, modified.) 



FIG. 65. Stylorkynchus oblongatiis. a, cyst containing two sporonts or gametccytes, each 

 full of gametes, those in the upper one being male, b, ripe male and female gametes, x 1,600. 

 (After L. Leger.) 



