Contents 1
1 Erasmus Darwin 1
2 The early life of Charles Darwin 9
3 The Beagle 22
4 South America 27
5 Robert Fitzroy 35
6 The Galapagos Islands 40
7 Down House 46
8 Alfred Wallace 53
9 The Origin of Species 59
10 Gregor Mendel 66
11 Extinction 73
Key to the Exercises 79