PLATE 9 



EXPLANATION OF FIGURES 



69 Longitudinal section of the germ gland of a larva 59 mm. long, showing 

 two cell nests in different stages of degeneration. 



70 Section of the germ gland of a larva 55 mm. long, showing cell nests and 

 growing oocytes in about equal number. 



71 Section of the germ gland of a larva 62 mm. long, containing oocytes and 

 ceil nests in about equal number. 



144 



