564 CRITICAL NOTICES. taken up in perception, in apperception, and in motor volition (p. 130). With regard to the more complex reactions, he wisely observes that it is an error to suppose that because logically two judgments are necessary in passing from one idea to another, therefore two corresponding states of consciousness must occur. Concrete thought does not always follow the formal schemes of abstract thought (p. 150) . The most inadequately treated parts of the book are the sections on psychodynamics and statistics. In these directions there is evidence that the author's knowledge and interests are somewhat limited. Nevertheless, taken as a whole, the book is a noteworthy contribution to psychological criticism and can be recommended as an interesting, easily readable and highly suggestive work. C. S. MYERS.
