TABLE OF CONTENTS XV 



PAGE 



96. Pepsin and Peptone 252 



97. Nuclein 253 



98. Microscopic Tests for Asparagin 254 



99. The Quantitative Determination of the Total Amount of Nitrogen, 



and of the Nitrogen present in the Proteids and Acids Amides in 



Seedlings 255 



100. Behaviour of Asparagin in Plants 257 



II. Respiration 



101. General Experiments on Respiration 259 



102. Methods for Determining the Quantity of Carbon Dioxide produced 



in Intramolecular and Normal Eespiration . . . . . 264 



103. Carbon Dioxide production in Normal Respiration . . . .269 



104. The Production of Carbon Dioxide in Intramolecular Respiration . 274 



105. Analytical Researches on Respiration 277 



106. Absorption of Oxygen in Respiration, and Determination of the 



CO 



Respiratory ratio, -^- 9 278 



107. The Behaviour of Plants in Contact with Nitrous Oxide Gas . . 281 



108. Formation of Alcohol in Plants, and the Behaviour of Anaerobic 



Organism 282 



109. Production of Heat in Plants. Phosphorescence .... 287 



III. The Behaviour of Non- nitrogenous Plastic Substances in Plants 



110. Starch as Reserve Material 293 



111. The Quantitative Determination of Starch 294 



112. The Occurrence of Diastase in Plants, and the manner in which the 



Ferment acts 295 



113. The Influence of Various Substances and of Temperature on the 



Transformation of Starch by Diastase 298 



114. The Formation of Diastase in the Cells of Higher Plants . . . 299 



115. The Estimation and Microchemical Detection of Glucose . ' . . 300 



116. Dextrin 301 



117. Estimation of and Microchemical Tests for Cane Sugar . . . 302 



118. Reserve Cellulose and Amyloid 303 



119. Inulin 304 



120. Vegetable Fats and their Quantitative Determination . . . 305 



121. Reactions of Fatty Oils 307 



122. The Behaviour of Fats in the Germination of Seeds . 308 



