00618cam a2200229 a 4500001000800000005001700008006000400025007000400029008000400033010001700037020001500054040001900069050002200088082001200110100004100122245006300163260005300226300004100279500002000320504003000340650001800370424072120150408105349.0000000000  a   83004423   a0716715643  aUOELcDLCdDLC00aQE711.2b.S5 198300a5602191 aSimpson, George Gaylord,d1902-1984.10aFossils and the history of life /cGeorge Gaylord Simpson.  aNew York :bScientific American Library,cc1983.  a239 p. :bill. (some col.) ;c24 cm.  aIncludes index.  aBibliography: p. 219-222. 0aPaleontology.