ELIMINATION OF GREEN BODIES FROM CELLS OF HYDRA. 245 



Fig. 5. Cross section of a green hydra that had been in a 0.5 per cent, glycerine 

 solution for 60 hours. 



Fig. 6. Portion of a longitudinal section of a green hydra that had been in the 

 glycerine solution for 60 hours. 



Fig. 7. Portion of a longitudinal section of a hydra that remained slightly green 

 after being in a 0.5 per cent, glycerine solution for 13 days. Several groups of green 

 bodies are seen in the endoderm cells. 



Fig. 8. Portion of a longitudinal section of a hydra that was green when put into 

 a 0.5 per cent, glycerine solution in which it remained 13 days and was rendered 

 colorless. Only two green bodies seen in this section. 



Fig. 9. Cross section of a hydra that was green when put into a 0.5 per cent, 

 glycerine solution in which it remained 18 days and was rendered colorless. No green 

 bodies are seen in this section. 



