PROFESSORS WILLIAM M. DAVIS AND REGINALD A. DALY,
OF CAMBRIDGE,
PROFESSORS HORACE L. WELLS, CHARLES SCHUCHERT,
HERBERT E. GREGORY, WESLEY R. COE AND
FREDERICK E. BEACH, of New Haven,
PROFESSOR EDWARD W. BERRY, OF BALTIMORE,
DRS. FREDERICK L. RANSOME AND WILLIAM BOWIE,
OF WASHINGTON.
FIFTH SERIES
VOL. IV-[WHOLE NUMBER CCIV].
Reprinted with the permission of The American Journal of Science
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