132 Walker . — On Abnormal Cell-fusion and Spermatogenesis. 
Fig. 35. Dorsal view of spermatid; arched band passing from the chromatin vesicle to the 
blepharoplast, and enclosing the nucleus. 
Figs. 36-9. Stages in the elongation of the nucleus along the arched band, with the absorption 
of the latter body by the nucleus. 
Fig. 40. Spermatozoid, drawn from a stained section of a ripe antheridium ; blepharoplast with 
cilia at the fore end, and chromatin vesicle at the hinder end. 
Fig. 41. Fragment of the mucilage extruded from an antheridium, showing the spherical 
vesicles and a spermatozoid drawn in one only. 
Fig. 42. Mature spermatozoid; drawn from a living example. 
