HARVARD NATURAL HISTORY SOCIETY.On successive Wednesday evenings during term-time until about June 1, there will be given, under the auspices of this society, familiar talks upon the Massachusetts fauna. These talks will deal with the haunts, habits, and peculiar forms of animals, thus furnishing a suitable introduction to shore and field collecting. They will be abundantly illustrated. They will be given in the Lawrence Scientific School building, west wing, room 4, and will be open only to members and graduates of the University. The subjects and speakers for the next four meetings are as follows:

April 20. Massachusetts Birds; Mr. Wm. Brewster, president of the Nuttall Ornithological Club.

April 27. Something about Crabs; Dr. J. S. Kingsley, editor of the "American Naturalist."

May 4. Beetles; Mr. George Dimmock, Secretary of the Cambridge Entomological Club.

May 11. Massachusetts Spiders; Mr. James H. Emerton, author of "The Structure and Habits of Spiders."

READINGS FROM THE ODYSSEY.Professor Palmer continues his readings from the Odyssey to Greek Courses B and C on successive Friday afternoons, at 4 o'clock, in Sever 11.

These readings are open to all persons interested.

PROBLEMS OF RAILROAD ADMINISTRATION.Professor Hadley's remaining lectures on Problems of Railroad Administration will be as follows:

April 20. Competition and Pooling.

April 27. Railroad Legislation in the United States.

May 4. The Question of State Ownership.

These lectures are open to the public.