Plate III.
Stenopelmatus.
Fig. 80. Telophase of second maturation mitosis.
81. Young spermatid, showing spindle-remains at s.
82. Spermatid showing a conspicuous chromatin element in nucleus, and spindle-remains (s) elongated.
83. Spermatid, showing centrosome (c) and divided spindle-remains (s and a).
84. Older spermatid, showing centrosome (c), axial fiber of tail, and spindle-remains (s).
85. Spermatid, showing acrosome material (a) migrating to side of nucleus opposite centrosome.
86. Slightly older spermatid.