*GEOLOGICAL CONFERENCE. "The Topography and Geology of the Saratoga Battle-field and Vicinity." Professor Woodworth.-"A New Geological Map of the Middlesex Fells." Dr. G. R. Mansfield. Mineralogical Lecture Room, 8 P. M.

**LONGFELLOW CENTENARY. Talk on "Places Connected with the Poet Longfellow." (Illustrated by the Stereopticon and by Photographs.) Mr. G. G. Wolkins. Lecture Room of the Fogg Museum, 8 P. M.

Wednesday, February 27.

BOARD OF OVERSEERS. Meeting at 50 State street, Boston, 11 A. M.

**LECTURE. "The Concentration and Smelting of Zinc Ores." I. Mr. W. McA. Johnson. Lecture Room, Rotch Building 4 P. M.

CONFERENCE. "Practical Hints o the Preparation of Geological and Geographical Diagrams." Professor Davis. Geological Museum, Room 41, 4.30 P. M.

**CERCLE FRANCAIS LECTURES. I. "Les economique et privee." M. le vicomte economique et privee. M. le vicomte Georges d'Avenel. Sanders Theatre, 4.30 P. M.

*HARVARD BOTANICAL CLUB. "Systematic Revision of a Genus, illustrated by Spilanthes." Mr. A. H. Moore-"Review of Literature of Fungi." Mr. J. Murdoch. Nash Lecture Room, 4.45 P. M.

**LONGFELLOW CENTENARY. Addresses by Professor Norton, Colonel Higginson, President Eliot, and Mr. Howells; Poem by Mr. Aldrich. Sanders Theatre, 7.45 P. M.

Thursday, February 28.

Last day for re-engaging College Rooms for 1907-08.

Last for making application for the Julia Amory Appleton Travelling Fellowship in Architecture.

**LECTURE. "The Concentration and Smelting of Zinc Ores." II. Mr. W. McA. Johnson. Lecture Room, Rotch Building, 4 P. M.

**HARVARD PHILOSOPHICAL CLUB. Post Kantian Philosophy. II. "The Transition to the Later Idealistic Movement." Professor Royce. Lecture Room, Emerson Hall (first floor), 4.30 P. M.

*CLASSICAL CONFERENCE. "Homeric Problem." Professor Harris.-"The Genuineness of the Double Letters in Ovid's Heroides." Mr. S. B. Clark.-"The Spread of Greek Influence in the Fifteenth Century." Mr. D. P. Lockwood. Sever 18, 4.30 P. M.