LEOXARD MUSCATINE 



263 



co20 



^ 15 

 o 10 



I 



5 - 







8 



10 



TIME IN DAYS 



Fig. 7. Bud production and survival of green (closed circles) and albino 

 (open circles) C. virid'issima starved in light. Each point represents the mean 

 number of hydranths in duplicate culture vessels. 



diately after feeding (Figs. 5, 6) suggesting that they are primed 

 with cofactors necessar\- for the effieient con\'ersion of crustacean 

 protein into coelenterate protein. In contrast, albinos showed a lag 

 after feeding. This lag may represent the time during which a 

 cof actor from food is mobilized. 



These data take on special interest when compared to the 

 results of field studies on the nutrition of corals. Corals contain- 

 ing zooxanthellae grow optimally in spite of a low exogenous food 

 supply (10, 11, 12). Our results with C. viridissima suggest that 



