The Bussey Institute will hold the fifth of a series of eight lectures on economic entomology and genetics, tomorrow afternoon at 4 o'clock. The Bussey Institute is at the corner of Arborway and South street, near the Forest Hills Station of the Boston Elevated Railway. These lectures are open to all members of the University and no admission will be charged.

The subject for Sunday's lecture is:

"The Gipsy and Brown Tail Moths." by Mr. C. T. Brues.

The remaining lectures are as follows:

May 15.-"Insects Injurious to Elms." Mr. C. T. Brues.

May 22.-"Making New Plants by Selection." Professor E. M. East.

May 29.-"Making New Plants by Hybridation." Professor E. M. East.