July 20, 1960
3803
BOOK REVIEWS Schrodinger equation, though the analytic solutions are given. Another four-chapter group follows: Steady-State Perturbation Theory. h-ondegenerate Case; Steady-State Perturbation Theory. Degenerate Case; Identical Particles; Time-Dependent Perturbation Theory. About a hundred pages of text are devoted to this material. For ;2merican readers a more revealing title of Professor The last chapter, fifty-two pages, is titled: The RelaNetter’s book might be “biophysical chemistry,” since its tivistic IYave Equation and the Origin of Electron Spin; general structure is the development, followed by the apthe necessary matrix methods are introduced as part of the plication, of various topics in physical chemistry to probexposition. lems of current interest in physiology. Complete success in This is an excellent book. Sherwin has a nice facility for writing such a book is scarcely to be expected; here and the selection of simple examples and analogies and these there a critic can prove that in certain instances the are scattered throughout the t e s t . The emphasis on physical chemistry presentation is so brief as t o be supernumerical rather than analytic methods tends constantly ficial, or t h a t the biological context aud significance is lost to bring home to the student the fact that quantum meamongst simplifications and approximation
