PI. II. 



Fig. 4. A "projection" of the dilatator at its peripheral end. Depigmented section. ■ 350. 



Fig. 5. A general view of" the peripheral part of" Axel B.'s iris. The iris is seen to be 

 swollen a little where there is a "projection", and immediately after to become 

 remarkably narrow and thin. At this thin part there is, as if dislocated, one of the 

 ciliary processes, x 45. 



