The Tadpole of Hymenochirus boettgeri

and if so, would explain in large part the prolonged QT interval. Equally as interesting would be studies on myocardial cell permeability changes during the cardiac cycle which would reveal intracellular and extracellular electrolyte concentrations during the cardiac cycle. Acknowledgments.-The research for this project was done while the author held a summer research grant from the California Foundation for Biochemical Research. The