Biographical Memoirs - National Academy Of Sciences Vol Vi

Text extracted from opening pages of book: NATIONAL: . ACADEMY OF SCIENCES BIOGRAPHICAL MEMOIRS VOL. VI. CITY OF WASHINGTON PUBLISHED BY THE NATIONAL ACADEMY OP SCIENCES 1909 PREFACE. In accordance with the rules of the National Academy of Sciences, it is the duty of the President, upon the death of any member, to select some one to prepare a biographical memoir of the deceased. Such memoirs have been collected in perma nent form from, time to time, for the use of the Academy and for distribution among the large libraries of this country and Europe. The present is the sixth volume and contains eighteen mem oirs, one of which ( that of W. A. Rogers) is merely the second part of a memorial sketch published in th