TY  - BOOK
AU  - De Beer, Gavin,
TI  - Embryos and ancestors
U1  - 575 
PY  - 1940///
CY  - Oxford
PB  - The Clarendon Press
KW  - Embryology
KW  - Evolution
N1  - The author's Embyology and evolution (1930) brought up to date and e nlarged. Cf. Pref; Includes bibliographical references (p. [99]-105)
ER  -