TY  - BOOK
AU  - Rugh,Roberts
TI  - The frog; its reproduction and development
AV  - QL959 .R86
U1  - 597.8 
PY  - 1952///
CY  - Philadelphia
PB  - Blakiston
KW  - Frogs
KW  - Local
KW  - Embryology
KW  - Amphibians
N1  - Bibliography: p. 311-320
ER  -