CONTENTS 



FRAGMENTS OF SCIENCE 



VOLUME ONE 



OBAP. PA€m 



I. The Constitution of Nature 7 



II. Radiation 83 



III. On Rajjiant Heat in Relation to the Colo.r and 



Chemical Constitution op Bodies .... 80 



rv. New Chemical Reactions Produced by Light . . . 103 



V. The Sky 140 



VI. Voyage to Algeria to Observe the Eclipse . , . 153 



VII. NLA.GARA 187 



VIII. The Parallel Roads of Glen Roy 218 



IX. Alpine Sculpture 243 



X. Recent Experiments on Fog-Signals . • . . 268 



XI. On the Study of Physics 297 



XII. On Crystalline and Slaty Cleavage , . • .331 



XIII. On Paramagnetic and Diamagnetic Forces . . .338 



XIV. Physical Basis of Solar Chemistry 347 



XV. Elementary Magnetism .. ^ ..... 362 



XVI. On Force 389 



(5) 



