London: C. J. CLAY AND SONS,
CAMBRIDGE UNIVERSITY PRESS WAREHOUSE,
AVE MARIA LANE,
AND
H. K. LEWIS, 136, GOWER STREET, W.C.
[Illustration]
Glasgow: 50, WELLINGTON STREET.
Leipzig: F. A. BROCKHAUS.
New York: THE MACMILLAN COMPANY.
Bombay and Calcutta: MACMILLAN AND CO., LTD.
[_All Rights reserved._]
[Illustration:
GREGOR MENDEL
Abbot of Brünn
Born 1822. Died 1884.
_From a photograph kindly supplied by the Very Rev. Dr Janeischek, the
present Abbot._]