This book is concise and well written. The authors outline their work in simplifying the Arneth count, as an adjunct to the clinical studies of many diseases. The first chapter is devoted to an explanation of the differentiation of the polymorphs according to their nuclear configuration. The second chapter deals with the polynuclear count in health, and the third to the count during the infective state of the disease. The final chapter takes up the study of the macropolocyte, and an appendix takes up the various staining methods in full.
The utility of the count as an adjunct to the clinical methods in diagnosis will be obvious to the reader. Its value in diagnosis lies in the fact that if the count is dislocated to the left, the patient is in the infective state. Having that point definitely settled is of great assistance to the clinician, and the search for