All notices for the weekly CRIMSON Calendar must be placed in the notice box in the CRIMSON Office on Fridays before 5 o'clock, marked "For the CRIMSON Calendar."

Sunday, April 28.

10.15.--*Address on "Sex and Manhood," by Dr. F. N. Seerley, of Springfield Training School, in Parlor of Brooks House.

11.00.--**Rev. C. E. Park in Appleton Chapel.

4.00.--**Lecture on "Some Forms of Mental Disease and Methods now employed in their Treatment," by Dr. George T. Tuttle M.D. '78, at the Medical School, Longwood avenue, Boston.

4.00-6.00.--*President and Mrs. Lowell at home to students.

Monday, April 29.

4.30.--Seminary in Economics. "Trade in Naval Stores Between England and Northern Europe in the Sixteenth and Seventeenth Centuries." Lecture by Mr. N. A. Olsen, in Upper Dane.

4.30.--**First Southworth lecture on "The Church and the Social Awakening," by Mr. Robert Archey Woods A. M., in Room A, Andover Seminary Building. Subject--"Nurture: Every Child his Chance."

5.00.--*Physical Colloquium. "Wilson: on a Theory of Spectral Series," by Professor G. W. Pierce A.M. '99, in Room 25, Jefferson Physical Laboratory.

6.00.--*Entries for interclass track games close at Locker Building and at Leavitt & Peirce's.

7.00-8.00. -- Freshman Mandolin Club meeting in Trophy Room of Union.

8.00.--**Menorah Society lecture. "Representative Men of Israel. IV Jedudah Halevi the Poet" by Dr. J. Leonard Levy, of Pittsburgh, Pa., in Emerson J.

9.00.--First Freshman smoker in Dining Room of Union.

Tuesday, April 30.

8.00.--Northfield Conference Committee meeting in Guest Room, Memorial Hall.

4.00.--**Lecture on "Wiring," 1., by Mr. E. F. Lawrence, of the firm of Stone and Webster, in Pierce 202.

4.00.--**Baseball game with Vermont on Soldiers Field.

4.30.--*First lecture on "The Early Development of Hegel's Philosophy,' by Dr. J. Loewenberg '08, in Emerson F. Subject--"The Problem of the Genesis of Hegel's Philosophy."

4.30.--Geological Conference. A Memorial Note on the Life and Scientific Work of the Late Professor A. Lawrence Rotch h.'91, by Professor R. DeC. Ward '89; "Climatic Effects of Fog on the Pacific Coast" (Illustrated); by Mr. E. G. Linsley; "Recently Acquired Meteorites and Meteorite Photographs," by Professor J. E. Wolff '79, in Mineralogical Lecture Room, University Museum.

7.00-8.00. -- Freshman Mandolin Club meeting in Trophy Room of Union.

9.00.--Speakers' Club pop-night with informal discussion, in Trophy Room of Union.

Wednesday, May 1.

Last day for receiving applications for Bullard Fellowships.

Last day for receiving applications for Medical School Scholarships for 1912-13 (except Cheever and Hayden Scholarships).

Last day for receiving applications of candidates for degree of M.D. or degree of D.M.D. in 1912.

Last day for giving notice of intention to compete for Sales, Jeremy Belknap and Old Testament Prizes.

Last day for receiving compositions for the George Arthur Knight Prize in Music.

Last day for receiving essays for the Susan Anthony Potter Prizes and the Harvard Menorah Society Prize.

Last day for receiving dissertations for the Dante, Sargent, Toppan, Sumner and Bennett Prizes.

Last day for receiving theses of candidates for degree of Ph.D. in 1912 (except in Divisions of Ancient Languages, Modern Languages, History, Government and Economics).

Last day for Undergraduates and for Graduate Students to hand in their Commencement Parts.

First day for Seniors to wear caps and gowns.

11.00.--Special meeting of Board of Overseers at 50 State street Boston.

4.00.--**Lecture on "Wiring." II, by Mr. E. F. Lawrence, of the firm of stone & Webster, in Pierce 202.

4.00.--**Freshman baseball game with Waltham High on Soldiers Field.

4.00.--**Interclass track games in Stadium.

4.30.--**Second Southworth lecture on "The Church and the Social Awakening," by Mr. Robert Archey Woods A.M., in Room A, Andover Seminary Building. Subject -- "Vocation: Democracy in the Main Action of Life."

6.30.--Stone School Club meeting in Trophy Room of Union.

7.00.--*St. Paul's Society weekly meeting. Address on "The Positions of the Various Christian Bodies," by Rev. George Hodges D.D., in Noble Room, Brooks House.

8.00. -- **Harvard Engineering Society. Lecture (illustrated) on "Methods and Results of Sanitation on the Isthmus of Panama," by Mr. James T. B. Bowels of the Isthmian Canal Commission, in Pierce 110.

Thursday, May 2.

4.00.--**Baseball game with Bowdoin on Soldiers Field.

4.45.--*Harvard Zoological Club. Lecture on "The Reactions of Arthropods to Monochromatic Light," by Mr. A. O. Gross, in Zoological Lecture Room, University Museum, fourth floor Room 4.

5.45.--Social Service Committee dinner in Phi Beta Kappa Room, Memorial Hall.

7.00-8.00.--Freshman Mandolin Club meeting in Trophy Room of Union.

8.00.--**Dudleian Lecture on "The Divine Revelation and the Christian Religion" by Professor Daniel Evans, in Emerson J.

Friday, May 3.

1.00.--Senior class picture will be taken behind Memorial Hall.

1.15.--Freshman class picture will be taken behind Memorial Hall.

2.00. -- Bussey Seminar, Lecture on "Mendelism and Selection," by Professor W. E. Castle '93, at Bussey Institution.

4.30.--**Lecture on "L'histoire du palais de Versailles," I, (illustrated), by Professor E. J. A. Duquesne, in Lecture Room, Robinson Hall.

4.30.--*Second lecture on "The Early Development of Hegel's Philosophy," by Dr. J. Loewenberg '08, in Emerson F. Subject -- "The Kantian--Enlightenment Phase in Hegel's Early Unpublished Writings."

4.30.--**Third Southworth lecture on "The Church and the Social Awakening," by Mr. Robert Archey Woods, in Room A, Andover Seminary Building. Subject--"Fellowship: Its Expansion and Consecration."

4.45.--*Graduate Chemical Club. "A Case of Strychnine Poisoning," by Mr. P. W. Meserve; "A Dynamic Method for Measuring Vapor Pressures," by Mr. Farrington Daniels, in Boylston 9.

6.30.--First annual dinner of Phillips Club in Assembly Room of Union.

8.30--Smoker of Second Year Law class in Dining Room of Union.

Saturday, May 4.

11.00.--**Lecture on "The Old and the New World in the Fact of International Problems," by Christian L. Lange, Litt.D., Secretary-General of Inter-parliamentary Union, in Emerson A.

2.45.--**Freshman track meet at Exeter, N. H.

3.00.--**Baseball game with Amherst on Soldiers Field.

3.00.--Consolation track games in Stadium.

3.30.--Tennis with Amherst at Amherst.

3.45.--Lacrosse game with Bronx Lacrosse Club on Soldiers Field.

8.00.--Meeting of Faculty of Medicine at Medical School, Boston.