BERTRAND DE JOUVENEL, French economist, will discuss "The Manners of Politics" in Littauer Center Auditorium at 8 p.m.

TUESDAY

TORKEL WEIS-FOGH, John M. Prather Lecturer on Biology, will discuss "Principles of Flapping Flight and the Call for Power" in Burr B at 5 p.m.

A. RICHARD DIEBOLD, JR., instructor in social anthropology, will discuss the "contributions of Other Sciences in the Search for Linguistic Universals" in Boylston Hall at 7:30 p.m.

ESPERANTO CLUB will conduct an organizational meeting and language lesson in Sever 30 at 7:30 p.m. All invited.

DONALD L. GRAF, research fellow in geophysics, will address a joint meeting of the Harvard Geological Conference and the Boston geological Society in the Geological Lecture Room at 8 p.m.

WEDNESDAY

DAVID V. TIEDMAN, professor of education, will be chairman of a panel discussion of "Factors Which Mold Women's Careers" in the Loeb at 10 a.m.

VIKTOR O. KONONENKO, of the Institute of Machine Studies of the Academy of Sciences of the USSR, will speak on "Energy Relations in Autonomous Nonlinear Systems" in Room 209, Pierce Hall, at 4 p.m.

GABRIEL H. MARCEL, William James Lecturer on Philosophy and member of the Institute de France, will discuss "The Existential Background of Human Dignity" in Emerson D at 4:30 p.m.

DR. LUIS F. LELOIR, Edward K. Dunham Lecturer, will present the sequel to his Monday lecture at 4:30 p.m. in Emerson D.

TORKEL WEIS-FOGH will discuss "The Wing Muscles and the Chemical Machinery for Flight," a sequel to his talk on Tuesday, in Burr B at 5 p.m.

THURSDAY

MATHEMATICS COLLOQUIUM, sponsored by Harvard, MIT, and Brandies, will discuss "Group-like Structure in Topology and Algebra" in Room 2-390 at MIT at 4:30 p.m.

SIR AUSTIN BRADFORD HILL, University of London, will discuss "The Planning of Observations and Experiments" at 25 Shattuck St., Boston, at 5 p.m.

TORKEL WEIS-FOGH will deliver the third in his series of lectures, "Elastic Materials, Power Economy, and Nervous Control of Flight" in Burr B at 5 p.m.