CONTENTS 



OF 



THE F I K S T VOLUME. 



PAKT L 



ATOMS AND MOLECULES OF MATTER. 



SECT. PAGE 



I. ELEMENTARY CONSTITUTION OF MATTER . . '. .1 



H. ON FORCE, AND THE RELATIONS BETWEEN FORCE AND 



MATTER ...... . . . 23 



III. ATOMIC THEORY, ANALYSIS AND SYNTHESIS OF MATTER, 

 UTILITY OF WASTE SUBSTANCES COAL-TAR COLOURS, 



ETC. . . ...":. S^v" . 93 



IV. THE SOLAR SPECTRUM, SPECTRUM ANALYSIS, SPECTRA 

 OF GASES AND VOLATILIZED MATTER, INVERSION OF 

 COLOURED LINES, CONSTITUTION OF SUN AND STARS . 129 



PART II. 

 VEGETABLE ORGANISMS. 



I. MICROSCOPIC STRUCTURE OF THE VEGETABLE WORLD . J67 



n. ALG^: . . . .. ' . i . . . 179 



III. FUNGI , . . 2GO 



IV. LICHENS . . . ' .. . -, . . 298 

 V. CHARACE^ 312 



