XVII. THE GRAMMAR OF SCIENCE. By Professor Karl Pearson. Illustrated.
XVIII. PROPERTY: ITS ORIGIN AND DEVELOPMENT. By Ch. Letourneau, General Secretary to the Anthropological Society, Paris, and Professor in the School of Anthropology, Paris.
An ethnological account of the beginnings of property among animals, of its communistic stages among primitive races, and of its later individualistic developments, together with a brief sketch of its probable evolution in the future.
XIX. VOLCANOES, PAST AND PRESENT. By Professor Edward Hull, LL.D., F.R.S.
This volume will treat of the form and structure of volcanic mountains, the materials of which they are composed; of volcanic islands; of tertiary volcanic rocks of the British Isles, Europe, and America; recently extinct or dormant volcanic areas; Etna, Vesuvius; causes of volcanic action and connection with earthquakes, etc. Besides maps and plans, the volume will contain a large number of illustrations showing structure of volcanic mountains, etc., etc.
XX. PUBLIC HEALTH. By Dr. J. F. J. Sykes. With numerous Illustrations.
(In Preparation.)
The increased knowledge of the internal and external influences upon health obtained within recent years, and the practical applications of which it is capable in the prevention of disease, gives rise to many interesting problems, some of which are being solved, some are only partially touched, and others remain unelucidated. In this volume an attempt will be made to summarise and bring to a focus the essential points in evolution, environment, parasitism, prophylaxis, and sanitation bearing upon the preservation of the public health.
The following Writers are preparing Volumes for this Series:—