James, Miriam Earle2014-12-152014-12-1519291929b14731885https://archive.org/details/thebiologyoftwin00jamehttps://hdl.handle.net/2144/9965Typewritten sheets in cover. Thesis (M.A.)--Boston University Bibliography: p. 91-96.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.Thesis/Dissertation