PLATE, 10 
EXPLANATION OF FIGURES 
66 Ageniaspis; the anterior portion of an oocyte showing the arrangement of 
the chromosomes on the spindle (after Martin). 
67 Ageniaspis; a later stage showing the mass of chromatin resulting from 
the condensation of the chromosomes (after Martin). 
68 Ageniaspis; the first maturation division of the egg (after Martin). 
69 Copidosoma; a young oocyte showing a group of granules near the poste- 
rior end of the nucleus (after Silvestri). 
70 Ageniaspis; a young oocyte containing a cloud of granules in the poste- 
rior portion and a larger body, the ‘nucleolus’ (after Martin). 
71-74 Apanteles. - 
71 A young oocyte surrounded by epithelial cells, e, and accompanied by 
nurse cells, n. > 1900. 
72 An older oocyte. X 1900. 
73 An older oocyte showing the first appearance of the germ-line-determi- 
nant. X 1900. 
74 Astill older oocyte. X 1900. 
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