258 Allen. — Nuclear Division in Pol cm Mother- cells. 
PLA, 'II. 
Figs. 36-54. Further stages in the shortening of the chromosomes. 
Fig. 55. Cell at stage of multipolar spindle ; extra -nuclear nucleoles. 
Fig. 56. Cell at equatorial plate stage. 
Fig. 57. Equatorial plate, polar view. 
Fig. 58. Metaphase ; longitudinal splitting of daughter chromosomes. 
Fig. 59. Polar view of single chromosome from an equatorial plate. 
Figs. 60-67. Lateral views of chromosomes from various equatorial plates. 
Figs. 68-87. Stages in the separation of the daughter chromosomes. 
PLATE IX. 
Daughter chromosomes approaching the pole. 
Daughter chromosomes at the pole (diaster stage). 
Slightly later than Fig. 89 ; shortening of daughter chromosomes. 
Formation of daughter nuclei; chromosomes densely massed ; beginning of cell-plate 
Reconstructed spirem in daughter nucleus ; cell-plate. 
Oblique view of daughter-cell and nucleus ; cell-division complete. 
HOMOEOTYPIC DIVISION. 
Figs. 94, 95. Separation of chromosomes in the prophases. 
Fig. 96. Multipolar spindle. 
Figs. 97-100. Single chromosomes during the prophases. 
Fig. 101. Equatorial plate, lateral view. 
Figs. 102, 103. Equatorial plates in polar view. 
Figs. 104-106. Lateral views of chromosomes from the equatorial plate. 
Fig. 107. Metaphase. 
Fig. 88. 
Fig. 89. 
Fig. 90. 
Fig. 91. 
formation. 
Fig. 92. 
Fig- 93. 
