LIST OF ILLUSTRATIONS XI 



FIG. ^^' 



59. Photogbaphic Spectboi of OrrasMOGLOBrs asd MEiaEMO- 



GLOBix Gamgee 153 



60. Centrifugal Machtse 157 



61. Absokptiox Spectra of MYoasMATiN - 160 



62. A Desiccator Gscheidlen 161 



63. Absorption Spectra of Ubikaby Pigments . . After Hopkins 179 



64. gowebs' h^macttometeb 181 



65. Oliteb's HLemacttometer 182 



66. gowebs' h^moglobinometer 183 



67. Fleischl's H^mosieter 184 



68. Oliveb's Rkmoglobinometeb 185 



69. Model to Illustrate Polarised Light 187 



70. Model to Illustrate Polabised Light 187 



71. Model to Illustrate Polarised Light 188 



72. Diagram to Explaix Polabisation of Light 189 



73. Diagram to Explain PoLABiaAHON of Light 190 



74. Soleil's Saccharimeteb 191 



75. Diagram of Optical Abbangements in Soleil's Sacchabimeteb . . 191 



76. Laubent's Polabheeteb 192 



77. Spectbo-polabimeteb of von Fleischl 193 



78. Diagram of Asymmetric Carbon Atoms 195 



79. Diagram of Pfluger's Pump 196 



80. L. Hill's Air Pump 197 



81. Walleb's Appabatus fob Gas Analysis .... Waller 198 



82. Kjeldahl's Method .... Waller, after Argutinsky 199 



83. Diagram to Illustrate Osmosis 203 



