Monday, May 23.

PHYSICAL COLLOQUIUM. Measurement of the Thomson Effect. Mr. E. P. Churchill. Absorption of the Air for Light of Short Wave-length. Dr. Lyman. Jefferson Physical Laboratory, Room 25, 4.45 P. M.

Tuesday, May 24.

FACULTY OF ARTS AND SCIENCES. Meeting at University 5, 4 P. M.

**GEOLOGICAL CONFERENCE. Geology of the Wilmington, Vt., Quadrangle. Mr. C. W. Brown. Some Features in the Process of Re-establishing Drainage as shown by the Merrimac River. Mr. G. R. Mansfield. The Mississippi Flood of 1903. Professor Davis. Geological Lecture Room, 8 P. M.

Wednesday, May 25.

BOARD OF OVERSEERS. Adjourned Meeting at No. 50 State street, Boston, 11 A. M.

Last day for receiving from Undergraduates applications for College Scholarships, and for Price Greenleaf Aid for 1904-05.

**SEMITIC CONFERENCE. A Critical Examination of the Book of Jonah. Mr. S. Hirshberg. Semitic Museum, Room 2, 4.30 P. M.

**ZOOLOGICAL, CLUB. The Development of the Oculomotor Nerve and the Ciliary Ganglion. Mr. F. W. Carpenter. Short Papers. Room 1, fourth floor, Museum of Comparative Zoology, 4.45 P. M.

Thursday, May 26.

**NATURAL HISTORY SOCIETY. Science and Story in Natural History. Dr. R. M. Yerkes. The Call-notes of Spiders. Mr. F. H. Lahee. Notes on the American Woodcock. Mr. R. N. Baldwin. Harvard Union, Room 6, 8 P. M.