BYA. DASTRE,PROFESSOR OF PHYSIOLOGY AT THE SORBONNE.
TRANSLATED BYW. J. GREENSTREET, M.A., F.R.A.S.
THE WALTER SCOTT PUBLISHING CO., LTD.,PATERNOSTER SQUARE, LONDON, E.C.CHARLES SCRIBNER’S SONS,153-157 FIFTH AVENUE, NEW YORK.1911