_436_, _437_. Yellow spot, in eye, 251. Zech, Jacob, 414. Zeiss field-glasses, 260. THE END. LONDON: PRINTED BY SPOTTISWOODE AND CO, NEW-STREET SQUARE AND PARLIAMENT STREET SIXTH EDITION. VOL. I. INORGANIC NATURE. I. THE CONSTITUTION OF BODIES. IV. NEW CHEMICAL REACTIONS PRODUCED BY LIGHT. 1868-69. 1 DECOMPOSITION.