Rabbit lenses which had accumulated Rb were incubated in a medium containing sufficient nonlabeled rubidium (33 mM.) to saturate the carrier or concentrations of ouabain (10-*M) which inhibited the transport system. The rate of runout of Rb so determined could be increased by reducing the concentration of calcium in the medium or by the addition of such metabolic inhibitors as iodoacetate, fluo...

holds out a hope of better results. So in the past few years we have heard much of Bossi's dilator, of thyroid extract, and of saline infusions, and a little of decapsulation of the kidney and of lumbar puncture. It will not, I suppose, be denied that the giving of saline infusions, the employment of Bossi's dilator, and the administration of thyroid extract or of iodide of potassium have all i...