222 C. M. CHILD. 



PLATE XV. 



FIG. 48, A-C. The spermatozoon and the degenerating portions of the spermatid 

 nucleus. 



FIG. 49. A cytophore with spermatozoa and degenerating spermatid nuclei. 

 FIG. 50. Spermatozoa becoming free from degenerating cytophore. 

 FIGS. 51-54. Degeneration of cell groups in prespireme stages. 

 FIGS. 55-58. Degeneration of cell groups in spermatid stage. 



