Professors G. H. Parker '87, A. B. Dawson, and Leigh Hoadley, all members of the Department of Zoology, will spend much of the coming summer at the Marine Laboratory at Woods Hole, Mass. Professor Parker and several of his students will work on problems in marine zoology, Professor Dawson on the cytology of the erythrocytes of fishes, and Professor Hoadley will have charge of part of the course in embryology; some of Professor Hoadley's advanced students who have undertaken research in the development of marine animals will accompany him.

Professor H. B. Bigelow '01, director of the recently-established Woods Hole Oceanographic Institution, will devote the whole summer to work there; and Dr. J. H. Welsh will study the light responses of marine organisms, also at the Oceanographic Institution.

Professor W. E. Castle '93; will continue his investigations in genetics at his laboratory in the Bussey Institution.

Professor C. T. Brues expects to spend some time making motion-pictures of insects at Petersham and Cambridge.

Professor G. M. Allen '01, will study problems connected with birds and mammals in the Museum of Comparative Zoology.