This monograph on the anatomical and physiological aspects of the speech mechanism stresses the importance of a general understanding of the process of verbal communication. Contents include "Positions of the Body,""Basic Concepts Linked with the Speech Mechanism,""The Nervous System,""The Respiratory System--Sound-Power Source,""The Skull--Building Foundation for the Peripheral Speech Mechanism,""Muscles Relating to Speech," and "Summary Statement." A 44-item reference list and a list of suggested readings are appended. This document also contains 12 figures which detail the body parts affecting verbal communication. (RB)