LIST OF ILLUSTRATIONS^ 



PAGE 



DARWIN Frontispiece 



ARISTOTLE 5 



THE CICADA IQ 



RAY 21 



TANTALLON AND BASS ROCK 25 



WILLUGHBY 37 



LINN^US 46 



SIR HANS SLOANE 64 



JOHN HUNTER 70 



ALEXANDER WILSON 122 



FISH-HAWK 129 



CUVIER , 136 



LOWER JAW OF WOMBAT PELVIS OF A KANGAROO 163 



THE FOSSIL OPOSSUM OF MONTMARTRE 165 



FORBES 192 



MAP SHOWING THE DISTRIBUTION OF PLANTS IN BRITAIN 2l6 



FEET OF FOSSIL EQUID^ 30$ 



