TY  - BOOK
AU  - Marsland, Douglas,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 1964///46
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Biology
N1  - Includes bibliographical references; 5
ER  -