CHEMISTRY 7.- Professor Cooke announces that if a sufficient number of men enroll, he will give a course of lectures and demonstrations on Crystal Optics in the next half year, beginning Feb. 15 and continuing each Thursday and Saturday at 10 a. m., at his house, No. 12 Ware St. All men intending to take the course will please notify him by postal card as soon as possible.

The following new Voluntary Courses will be given during the second half-year, open to all students of the University:

Tuesday at 2.30, Pantomimic Training.

Thursday at 2.30, Phonology and Articulation. Applications will also be received for new sections in Shakespeare and Vocal Training and Extemporaneous Discussion, at Holden Chapel, Tuesday, Feb. 13th, 9-12.30, 1.30-2.30.

S. S. CURRY.7-3t

ZOOL. 3.- Laboratory note books should be left at the laboratory not later than today.

G. H. PARKER.ECONOMICS 1.- All sections meet in Upper Mass, on Monday, Feb. 12, at 9 o'clock.

F. R. CLOW.