THE SCIENCE SERIES

(Volumes ready, in press, and in preparation.)

The Study of Man. By Professor A. C. Haddon, M.A., D.Sc., Royal College of Science, Dublin. Illustrated. 8o, $2.00

The Groundwork of Science. A Study of Epistemology. By St. George Mivart, F.R.S. 8o, $1.75

Rivers of North America. A Reading Lesson for Students of Geography and Geology. By Israel C. Russell, LL.D., Professor of Geology in the University of Michigan. Illustrated. 8o, $2.00

Earth Sculpture. By Professor James Geikie, F.R.S., University of Edinburgh. Illustrated. 8o, $2.00

Volcanoes. By T. G. Bonney, F.R.S., University College, London. Illustrated. 8o, $2.00

Bacteria. By G. Newman, M.D., F.R.S., Demonstrator of Bacteriology in King's College, London. Illustrated. 8o.

The Stars. By Professor Simon Newcomb, U.S.N., Nautical Almanac Office, and Johns Hopkins University.

Meteors and Comets. By Professor C. A. Young, Princeton University.