The papers included in this volume had been delivered as lectures before prominent medical societies and published in current scientific periodicals. They "have been brought together for the convenience of those whom the general theme may interest". They include:
I. Neurohypophyseal Mechanisms from a Clinical Standpoint, the basis of the Lister Memorial Lecture, delivered at the Royal College of Surgeons of England, July 9, 1930.
II. Posterior-Pituitary Hormone and Parasympathetic Apparatus, basis of the William Henry Welch Lecture at Mount Sinai Hospital, New York, April 30, 1931.
III. The Basophil Adenomas of the Pituitary Body and their Clinical Manifestations (Pituitary