The Hormone of the Adrenal Cortex.

symptoms of adrenal insufficiency could be returned to normal by administering extract. Recently we have completed a series of experiments in which the extract was tested on comatose animals prostrate and on the verge of death from adrenal insufficiency. The extract employed is a modification of the one previously described and is very low in adrenalin and solid content. The cats were bilaterally adrenalectomized and allowed to develop very severe adrenal insufficiency symptoms. At the time of first injection of extract they were prostrate and unable to stand on their feet