Figs. 28-41, 
Fig. 42. 
Fig. 43. 
Fig. 46. 
Fig. 47. 
Figs. 48-55. 
Figs. 56, 76. 
Figs. 57-60. 
Figs. 61-75. 
Witcox, — Caloptenus femur-rubrum, 
PLATE 2. 
Caloptenus femur-rubrum. 
44, 45, Equatorial view of spermatocytes during second division. 
Figs. 39 and 40 show thickened interzonal filaments. 
Polar view of spermatocyte during second division. 
Spermatocyte during second division; interzonal filaments cut ob- 
liquely. 
Equatorial view of spermatocyte during first division. 
Spermatocyte, equatorial view at the end of second division. 
Spermatids in early stages of metamorphosis. 
Spermatids soon after second spermatocyte division. 
Spermatids in advanced stages of metamorphosis. 
Spermatids in various stages of metamorphosis, arranged approxi- 
mately in the order of their ages. 
