ILLUSTRATIONS 



LAVOISIER IN HIS LABORATORY Frontispiece 



JOSEPH PRIESTLEY Facing p. 2O 



JOHN DALTON 4 



JOHN W. DRAPER 70 



JOHN HUNTER 84 



SIR JOSEPH LISTER HO 



THEODOR SCHWANN I2O 



KARL ERNST VON BAER 122 



MAX SCHULTZE " 126 



JEAN BAPTISTE DE LAMARCK " 152 



ETIENNE GEOFFROY SAINT-HILAIRE " l6o 



CHARLES ROBERT DARWIN " l66 



ALFRED RUSSEL WALLACE " 172 



THOMAS HENRY HUXLEY " 176 



EDWARD JENNER " IQ2 



LAENNEC, INVENTOR OF THE STETHOSCOPE, AT THE 



NECKER HOSPITAL, PARIS " 2O2 



WILLIAM T. G. MORTON 214 



CRAWFORD W. LONG " 2l6 



LOUIS PASTEUR " 232 



PINEL AT LA SALPETRIERE, IN 1795, RELEASING THE 



INSANE FROM THEIR MANACLES 246 



GUSTAV THEODOR FECHNER 264 



JEAN MARTIN CHARCOT " 268 



PAUL BROCA 272 



THE ROSETTA STONE " 288 



IX 



