TY  - BOOK
AU  -  Guyer,Michael F.
TI  -  Animal biology / 
U1  -  590 GUY 
PY  - 1931///
CY  -  New York : 
PB  -  Harper & Brother Publishers , 
KW  -  Zoology
N1  -  Includes bibliographical references (p.703-706) and index
ER  -