130 PIERRE H. GONSE 



considered to be stored rather than used rapidly for motility; on the 

 other hand, those derived from glycolysis are readily available for 

 movement, and the carrier is recycled at a more favorable rate. 



Acknowledgments. This work was supported by Fellowship Number 

 265 from the Damon Runyon Memorial Fund; also acknowledged are a 

 Lalor Foundation Award and a Fulbright grant. The author expresses 

 his thanks to Dr. Britton Chance and colleagues without whose support 

 this work could not have been carried on. 



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