TY  - BOOK
AU  - Beddall,Barbara G.
TI  - Wallace and Bates in the tropics: an introduction to the theory of natural selection 
U1  - 575.0162 
PY  - 1969///
CY  - London
PB  - The Macmillan co.
KW  - Wallace, Alfred Russel,
KW  - Bates, Henry Walter,
KW  - Natural selection
N1  - Includes bibliographical references and index
ER  -