Rev. P. N. Waggett, of London, will hold a conference on "Principles of Duty," under the auspices of St. Paul's Society in the Noble Room of Phillips Brooks House this evening at 7 o'clock.

Father Waggett is an eminent biologist, as well as a prominent leader in the English Church. At the English universities his conferences have proved of great value to those interested in the relations of science to religion.