The biological problem of today
Subtitle: preformation or epigenesis?  The basis of a theory of organic development
By: by Professor Dr. Oscar Hertwig.  Authorized translation by P. Chalmers Mitchell, M. A.  With an introduction by the translator and a glossary of the technical terms.
Contributors: Mitchell, P. Chalmers Sir, 1864-1945
Publisher: The Macmillan co.
Published: 1900
Place of publication: New York
Language: eng
Number of pages: 148
Subjects: Heredity.