146 JAMES O. FOLEY. 



PLATE III. 



FIG. 56. The individual chromosomes of Fig. 6. 



FIG. 57. The individual chromosomes of Fig. 7. 



FIG. 58. The individual chromosomes of Fig. 8. 



FIG. 59. The individual chromosomes of Fig. 9. 



^ FIG. 60. The individual chromosomes of Fig. 10. 



FIG. 61. Various diakenetic figures selected at random from different primary 

 spermatocytes. 



