The author and translator of this book have made available to English-reading physicians an extremely interesting presentation of the subject of endocrinology. There is no sparing of detail, and indeed, it is the attention to detail, with a consideration of the meaning of apparently conflicting reports, that gives the book much of its soundness. That the action of the hormone depends largely on the physicochemical environment of the cells on which it acts explains many apparent contradictions. That this environment, in turn, is related to the activity of the vegetative nervous system and through the emotional phase to the central nervous system both broadens and complicates the study of endocrinology. Interhormonal activity, while a safeguard for the individual, is often a further source of confusion to the investigator and physician. To bring some sense of order to so complicated a field is no small achievement.
The first part of the