**LECTURES ON THE REGULATION OF CORPORATIONS. "The Fourteenth Amendment and the Limitation of the Right to Regulate Public Service Corporations." I. Hon. Francis J. Swayze, Justice of the Supreme Court of New Jersey. Emerson D. 3.30 P. M.

**LECTURE. "The Economics of Power Plant Operation." I. Mr. George I. Rhodes, Electrical Engineer of the Interborough Rapid Transit Company of New York City. Pierce 110, 4 P. M.

HISTORIC OPERATIC CONCERTS. VI. Professor W. R. Spalding, Lecturer; Miss Elizabeth Amsden, Mme. Marie Louise Martini, Miss Jeska Swartz, Mr. Fernand De Potter, Mr. Rafaelo Diaz, Mr. Max Kaplick, Mr. Howard White, Soloists. Sanders Theatre, 8.15 P. M. Admission tickets to this concert, at fifty cents each, will be on sale at the Co-operative Main Store, Harvard Square, on Monday, February 26.

Thursday, February 29.

Last day for re-engaging College Rooms for 1912-13.

**LECTURES ON THE REGULATIONS OF CORPORATIONS. "The Fourteenth Amendment and the Limitation of the Right to Regulate Public Service Corporations." II. Hon. Francis J. Swayze, Emerson D. 3.30 P. M.

**LECTURE. "The Economics of Power Plant Operation." II. Mr. George I. Rhodes. Pierce 110, 4 P. M.

**ZOOLOGICAL CLUB. "The Evolution of the Deniltion of Bats." Dr. Glover M. Allen. Zoological Lecture Room, University Museum, 4th floor, Room 4, 4.45 P. M.

*LECTURES ON THE POLITICAL GEOGRAPHY OF EUROPE. I. Professor R. M. Johnston. Emerson A. 5 P. M.

**HARVARD DIVINITY SCHOOL AND ANDOVER THEOLOGICAL SEMINARY. Preaching Service. Mr. F. M. Pyke. Andover Chapel, 5 P. M.

BOSTON SYMPIIONY ORCHESTRA CONCERT. Soloist: Miss Katharine Goodson. Sanders Theatre, 8 P. M. Program: Weber, Overture, "Euryanthe"; Schumann, Symphony No. 2, C major; Saint Saens, Concerto for Pianoforte in C minor; Wagner, Prelude and Liebestod from "Tristan and Isolde."

Friday, March 1.

Last day for receiving from persons intending to enter College applications for Price Greenleaf Aid, James A. Rumrill Scholarships, and Charles Elliott Perkins Scholarships, for 1912-13.

BUSSEY SEMINAR. "Experimental Hybridization of Echinoids." Professor W. E. Castle and Mr. C. C. Little. Bussey Institution, 2 P. M.

*GRADUATE CHEMICAL CLUB. "Compressibility Determinations." Mr. J. W. Shipley. "The Action of Sodium Malonic Ester on Monobromtriiododinitrobenzol." Mr. F. C. Whitmore. Boylston 9, 4.45 P. M.

Saturday, March 2.

Last day in the second half-year upon which Undergraduates, Spesial Students, and Unclassified Students in Harvard College may drop, without liability for additional course fees, courses of study that begin in the second half-year