4. Tuesday.Faculty of Arts and Sciences. Meeting at University 5, 4 p. m.

Geological Conference. Papers: Dr. Geer's New Theory accounting for the Origin of Eskers. Professor Reusch.- An Excursion in the Fassathal, Throl. Dr. A. S. Eakle. Geological Laboratory, Room 2, M. Z., 7.45 p. m.

Open to all members of the University.

5. Wednesday.Mathematical Conference. Papers: On Invariants of Linear Differential Equations. Mr. D. F. Campbell.- An Historical Note. Mr. E. R. Hedrick. Sever 20, 4.30 p. m.

Open to the public.

6. Thursday.Reading from Goldsmith. Mr. Cope land. Sever 11, 3.45 p. m.

Open to the public.

Vesper Service. Appleton Chapel, 5 p. m.

Open to the public.

Boston Symphony Orchestra Concert. Soloist: Mr. Alwin Schroeder. Sanders Theatre, 7.45 p. m.

Programme: Mozart, Overture, "Magic Flute"; Bach, Sinfonia, (Shepherd's Music) from the "Christmas Oratorio"; Pietro Locatelli, 1693-1764, Sonata for Violoncello; Raff, Symphony No. 3, "In the Woods." Part I. In the Daytime. Part II. At Twilight. Part III. At Night.

Talks on the History of Medicine. I. Prefatory. Hippocrates to the Sixteenth Century. Dr. David Hunt. Harvard Medical School, 688 Boylston St., Boston, 8 p. m.

Open to the members of the University and to members of the medical profession.

7. Friday.Divinity School. Preaching Service. Mr. E. E. Ayers. Divinity Chapel, 7.30 p. m.

Open to the public.

Talks on the History of Medicine.Mr. David Hunt, of Boston, will give four Talks on the History of Medicine, at the Harvard Medical School, 688 Boylston St., Boston, Thursday evenings, beginning at 8 o'clock. Members of the University and members of the medical profession are cordially invited to attend. Dates and subjects as follows:

Jan. 6.- Prefatory. Hippocrates to the Sixteenth Century.

Jan. 13.- Renaissance. Physiology.

Jan. 20.- Renaissance. Anatomy.

Jan. 27.- Since the Renaissance.

Lectures on Civic Duties and Reforms.A course of six lectures on Civic Duties and Reforms will be delivered in Sanders Theatre, during the winter and spring, beginning at 8 o'clock in the evening, and will be open to the public. The following lectures in this course can be already announced:

Jan. 12.- Bosses and Rings. Hon. Charles J. Bonaparte.

Apr. 13.- The Police Force as an Object Lesson in Applied Civics. Hon. Theodore Roosevelt.

Lectures on the Principles of Greek Art.Mr. Edward Robinson, Curator of Classical Antiquities in the Boston Mu-

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