Mark F. Boyd Editor. By Sixty Five Contributors. Pp. xxii plus 1643. Figs. 436. Two Vol. 40, cloth. Philadelphia and London, W. B. Saunders Company, 1949. $35.00
Newburgh, L. H., Editor. Prepeared at the request of the Division of Medical Sciences, National Research Council. 15 Contributors. 457 Pp. Philadelphia, W. B. Saunders Company. 1949
