| , Pennsylvania: The Banner Of Truth Trust, 1988 7 Charles Darwin, The Descent of Man, 2nd edition, New York, A L | |
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| Carroll, Patterns and Processes of Vertebrate Evolution, Cambridge University Press, 1997, p | The Panda's Thumb, 1980, p |
- emphasis added 5 Stephen Gould - Ever Since Darwin p 41 6 B.