PLATE 11 



Fig. 62. Anaphase; heterochromosome divided without apparent attach- 

 ment to spindle fibers. 



Fig. 63. Unusual appearance of chromatin granules strung along the 

 spindle fibers. X 1250. 



Fig. 64. Anaphase; heterochromosome dividing. 



Fig. 65. Telophase of nucleus; constriction of the nuclear membrane. 

 X 1250. 



Fig. 66. Daughter nucleus witli division completed. 



Fig. 67. Telophase with nuclear constriction advancing. Spindle fibers 

 disappearing at one pole, still intact at the other. X 1250. 



Fig. 68. Telophase showing surface ridges of the body. Centroblepharo- 

 plasts still connected by the paradesmose. X 300. 



Fig. 69. Telophase of nucleus. 



Fig. 70. Daughter nucleus after constriction and prior to rounding up. 



Fig. 71. Greatly elongated nuclear band still connecting daughter nuclei. 

 X 300. 



Fig. 72. Completion of nuclear division with paradesmose still persisting. 



Figs. 73, 74. Sister nuclei recently divided. 



Fig. 75. Completion of nuclear division. Paradesmose beginning to fade 

 out. 



[96] 



