Fig 17. Sagittal section through the developing eye of 

 a healthy pupa. L = lens; Rh = rhabdom and 

 developing associated cells; ON = optic nerve. 

 X 450. 



Fig 18. Sagittal section through the eye of a pupa 

 infected by B. dimorpha . There is no lens, 

 and the rhabdoms and the associated cells are 

 twisted and tangled in an amorphous mass. 

 Rh = rhabdom and associated cells; ON = optic 

 nerve. X 450. 



Fig 19. Sagittal section through the eye of a healthy 

 pupa. X 1,500. 



Fig 20. Sagittal section through the eye of a diseased 

 pupa. Rh = rhabdom and associated cells. 

 X 1,500. 



