TY  - BOOK
AU  -  Agassiz, Louis
TI  -  Methods of study in natural history
U1  - 507 23
PY  - 1891///
CY  - Boston
PB  - Houghton , Mifflin and Company, 
KW  - Animals
KW  - Coral reefs and islands
KW  - Generations, Alternating
KW  - Embryology
KW  - Evolution (Biology)
ER  -