LOGIC Tractatus Logico-Philosophicus. By L. Wittgenstein. German text, with an English Translation en regard, and an Introduction by Bertrand Russell, F.R.S. £1. Foundations of Geometry and Induction. By Jean Nicod. With an Introduction by Bertrand Russell, F.R.S. £1 3s. The Foundations of Mathematics, and other Logical Essays. By F. P. Ramsey. £1 3s. The Nature of Mathematics: a Critical Survey. By Max Black. £1 4s. Logical Syntax of Language. By Rudolf Carnap. £1 10s. A Treatise on Induction and Probability. By G. H. von Wright. £1 10s. Bertrand Russell's Construction of the External World. By Charles A. Fritz, Junr. £1 3s. Logical Studies. By G. H. von Wright. £1 8s. C. SCIENTIFIC METHOD Scientific Thought: a Philosophical Analysis of some of its Funda- mental Concepts in the hght of Recent Physical Developments. By C. D. Broad. £1 12s. Dynamic Social Research. By John T. Hader and E. C. Lindeman. 18s. The Limits of Science: Outhne of Logic and of the Methodology of the Exact Sciences. By Leon Chwistek. Introduction and Appendix by H. C. Brodie. £1 12s. HISTORY, ETC. An Historical Introduction to Modern Psychology. By Gardner Murphy. With a Supplement by H. Kluver. £2. The History of Materialism and Criticism of its Present Importance. By F. A. Lange. Introduction by Bertrand Russell. £2 10s. Philosophy of the Unconscious. By E. von Hartmann. £1 15s. Outimes of the History of Greek Philosophy. By E. Zeller. £1 3s. Psyche: the Cult of Souls and the BeUef in IramortaUty among the Greeks. By Erwin Rohde. £1 15s.
