Benjamin Moore

Elementary Physiology and Hygiene

THIS book has obviously been written to supply the wants of the American schoolchild, and consequentlyElementary Physiology and Hygiene.By Prof. Buel P. Colton Heaths Modern Science Series. Pp. viii + 317. (London: D. C. Heath and Co.) Price 2s. 6d.

Colloid and Saline in Shock and Cholera

THE two letters by Sir Leonard Rogers and Prof. Bayliss in NATURE of September 25 are of interest and importance, not only to physiologists and physicians, but also to physical chemists. The two Series of observations are not contradictory of each other, but complementary.

The Origin of Flint

THE interesting 1eter of Sir E. Ray Lankester in NATURE of June 7 induces me to offer a brief account of certain experiments I have been making on thir subject.

Physikalische Chemie der Zelle und der Gewebe

THIS third edition of Dr. Hobers well-known work on the physical chemistry of the cell and tissues is widely different, both in extent and quality, from the modest little volume which first appeared in 1902, and interested physiological chemists as the evangel of the new lipoid theory of cell permeability promulgated by Overton and Hans Meyer.Physikalische Chemie der Zelle und der Gewebe.By Prof. Rudolf Hber. Dritte Auflage. Pp. xv + 671. (Leipzig: W. Engelmann, 1911.) Price 17.25 marks.