362 



-> INEZ WHJPPLE WILDER AND ELIZABETH BARRETT PEABODY. 



more single spermatogonia and fewer in groups, although the lob- 

 ulated structure of the gonad is evident. There were fewer in- 

 stances of spermatogonial mitosis, none, in fact, discovered in the 

 hermaphrodite, the sections of which, however, were somewhat 



\ -ms 



B 



-jus 



FIG. 7. Camera lucida drawings of the ventral view of the gonads of (A) 

 an incipient premetamorphic male, length 37.4 mm. ; (B) an incipient pre- 

 metamorphic hermaphrodite, length 36 mm.; and (C) an incipient premeta- 

 morphic female, length 36.2 mm. (X 15). Ms, mesonephros. o, ova; ts, tes- 

 tis and testicular portion of hermaphroditic gonad. 



fragmentary. In every other particular of cell arangement and 

 nuclear structure the testicular regions of the hermaphrodite were 

 identical with the normal testis. The ova of the hermaphrodite, 



