DAHLGREN, ULRIC

(1870), bd. in Brooklyn, N.Y. Was a student at the State Model School, Trenton, N.J. from 1883-5; graduated from Mt. Pleasant Military Academy, O ining, N.Y. in 1890 and from Princeton University in 1894, M.S. 1896. Was instructor, in 1906, and profe or in biology from 1911 at Princeton University. In 1899 was a istant director Marine Biol. Lab., Woods Hole, Ma ., trustee of Harpsy " of Light by Organisms in 1915.