Kanda, Sakyo2016-03-092016-03-091916-01https://hdl.handle.net/11299/178019University of Minnesota Ph.D. dissertation. January 1916. Major: Biology. 1 computer file (PDF); 41 pages. [57-97]. Reprinted in Biological Bulletin.enBiologyStudies on the Geotropism of the Marine Snal, Littorina LittoreaThesis or Dissertation