Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Biology, 1900.MIT copy bound with: The behavior of the bacillus of typhoid fever in milk / Milton Weston Hall -- An investigation of certain bacterial fermentations occurring in sugar solutions / Arthur I. Kendall -- An investigation of the changes in blood pressure during mental work as measures by the sphygmomanometer / Anna B. Gallup.Includes bibliographical references.by Harold Sargent Conant.B.S
