Fig. 9, Eggs. Fig. 10, Egg hatching. Fig. 11, Tadpoles 

 just hatched. Fig. 12, Tadpole without legs. Fig. 13, Tad- 

 pole with hind legs. Fig. 14. Tadpole with front and hind 

 less. Fie. 15, Tadpole with tail disappearing. Fig. 16, 



