PROFESSOR OF GEOLOGY AND MINEralogy, st. LAWRENCE UNIVERSITY NEW YORK G. P. PUTNAM'S SONS 182 FIFTH AVENUE BL 240 .047 100.2 ΤΟ MY CONGREGATION IN MERIDEN, CONNECTICUT, AND TO THE PROFESSORS AND STUDENTS IN ST. LAWRENCE UNIVERSITY, CANTON, N. Y., WHO FIRST GAVE THESE LECTURES A PATIENT HEARING, THIS VOLUME Is Affectionately Inscribed. |