TY - BOOK AU - Agassiz, Louis, CN - QL351 .A27 1970 CN - QL351 CY - [New York] DA - [1970, c1863] ID - 54343 KW - Animals KW - Coral reefs and islands. KW - Generations, Alternating. KW - Embryology. KW - Evolution. PB - Arno PP - [New York] PY - [1970, c1863] SN - 0405026536 T1 - Methods of study in natural history. TI - Methods of study in natural history. ER -