 
      
      An illustration of the formation of the Cyclospora Cayetanensis egg-cell.
 
      
      An illustration of the formation of the Cyclospora Cayetanensis egg-cell.
 
      
      An illustration of the formation of the Cyclospora Cayetanensis egg-cell.
 
      
      An illustration of the fertilization of the egg by the spermatozooids of a Cyclospora Cayetanensis.
 
      
      An illustration of the fusion of egg and sperm-nuclei of a Cyclospora Cayetanensis.