A century of science in America

by Unknown

STELLAR MOTIONS. With Special Reference to Motions Determined by Means of the Spectrograph. By William Wallace Campbell, so.d, ll.d., Director of the Lick Observatory, University of California.

(Second printing.) Price $5.00 net.

THEORIES OF SOLUTIONS. By Svante Arrhenius, ph.d., sc.d., m.d., Director of the Physico-Chemical Department of the Nobel Institute, Stockholm, Sweden.

(Third printing.) Price $3.00 net.

IRRITABILITY. A Physiological Analysis of the General Effect of Stimuli in Living Substances. By Max Verworn, m.d., ph.d., Professor at Bonn Physiological Institute.

(Second printing.) Price $5.00 net.

PROBLEMS OF AMERICAN GEOLOGY. By William North Rice, Frank D. Adams, Arthur P. Coleman, Charles D. Walcott, Waldemar Lindgren, Frederick Leslie Ransome, and William D. Matthew.

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THE PROBLEM OF VOLCANISM. By Joseph Paxson Iddings, ph.d., sc.d.

(Second printing.) Price $5.00 net.