Xll ILLUSTRATIONS 



FIGURE PAGE 



39. Guanine Chloride 134 



40. Hypoxanthine Chloride 135 



41. Curves Showing Stimulatory Power of Water 144 



42. Curves Showing Stimulatory Power of Water 144 



43. Curves Showing Stimulatory Power of Beef Extract 147 



44. Curves Showing Psychial Stimulation of Gastric Secretion 148 



45. Normal and Pathological Curves after an Ewald Meal 150 



46. Rehfuss Stomach Tube 151 



47. Bergeim Intragastric Conductance Apparatus 152 



48. Curves Showing Relationship of Conductance of Acidities 152 



49. Influence of Acid Introduced into the Normal Human Stomach 153 



50. Hydrogen Ion Concentration Chart 160 



51. Acidity Curves of Normal Human Stomach 166 



52. Acidity Curves from a Case of Hyperacidity 167 



53. Acidity and Protein Curves in Gastric Carcinoma 167 



54. Tyotal Acidity and Protein Curves in Benign Achylia 168 



55. Microscopical Constituents of the Gastric Contents 175 



56. Beef Fat 179 



57. Mutton Fat 182 



58. Pork Fat 184 



59. Palmitic Acid 185 



60. Melting-point Apparatus 186 



61. Bile Salts 208 



62. Bilirubin (Hematoidin) 208 



63. Cholesterol ....... .. . 213 



64. Taurine 214 



65. Glycocoll 214 



66. Ammonium Chloride 219 



67. Hematoidin Crystals from Acholic Stools 225 



68. Charcot-Leyden Crystals 228 



69. Boas' Sieve ' . . 232 



70-75. Microscopical Constituents of Feces 233-234 



76. Oxyhemoglobin Crystals from Blood of the Guinea-pig 254 



77. Oxyhemoglobin Crystals from Blood of the Rat 254 



78. Oxyhemoglobin Crystals from Blood of the Horse . ... 255 



79. Oxyhemoglobin Crystals from Blood of the Squirrel. . . ... . v ' "^ -. : . . . . 255 



80. Oxyhemoglobin Crystals from Blood of the Dog ;:... 256 



81. Oxyhemoglobin Crystals from Blood of the Cat 256 



82. Oxyhemoglobin Crystals from Blood of the Necturus 257 



83. Effect of Water on Erythrocytes 264 



84. Hemin Crystals from Human Blood 268 



85. Hemin Crystals from Sheep Blood -. . '. -' 268 



86. Sodium Chloride .-. , . . .- r 7 . . . -. ... 269 



87. Diluting Pipette . . . .;...>,... . . 276 



88. Apparatus for Distillation of Ammonia from Urea .',.... 279 



89. Folin-Wu Sugar Tube ...... ~. .... 283 



90. Aspiration Apparatus for Urea Determination ../,.......- 286 



91. Bang Reduction Flask. ....;. . .-, '.* . .' . . v . 4 289 



92. Sugar Tolerance Curves ....... . . . , . . ; v .*..-'. . . . . . . . 290 



93. Extraction Apparatus for Cholesterol Determination . . ... . . .\. ; . . 292 



94. Bloor's Nephelometer 295 



95. Nephelometer in Position, Showing Relation to Source of Light 296 



96. Kober's Nephelometer Colorimeter . 297 



97. Direct-vision Spectroscope .1 .;.. 300 



