Apparatus for the determination of melting point 324 ” 85. Apparatus for determining crystallizing point 327 ” 86. Abbe’s refractometer 329 ” 87. Charging position of refractometer 330 ” 88. Prism of Pulfrich’s refractometer 331 ” 89. Pulfrich’s new refractometer 332 ” 90. Heating apparatus for Pulfrich’s refractometer 333 ” 91. Spectrometer attachment 333 ” 92. Oleorefractometer 335 ” 93. Section showing construction of oleorefractometer 335 ” 94. Butyrorefractometer 339 ” 95. Doolittle’s viscosimeter 343 ” 96. Lard crystals × 65 } ” 97. Refined lard crystals × 65 } to face 348 ” 98. Apparatus for determining rise of temperature with sulfuric acid 358 ” 99. Apparatus for determining heat of bromination 362 ” 100. Olein tube 374 ” 101. Apparatus for saponifying under pressure 380 ” 102. Apparatus for the distillation of volatile acids 388 ” 103. Apparatus for amid nitrogen 425 ” 104. Sachsse’s eudiometer 425 ” 105. Dialyzing apparatus 447 ” 106. Scovell’s milk sampling tube 470 ” 107. Lactoscope, lactometer, and creamometer 474 ” 108. Areometric fat apparatus 493 ” 109. Babcock’s butyrometer and acid measure 500 ” 110. Gerber’s butyrometers 502 ” 111. Gerber’s centrifugal 503 ” 112. Thermometer for butyrorefractometer 515 ” 113. Apparatus for determining carbon dioxid in koumiss 533 ” 114. Cuts of mutton 548 ” 115. Cuts of beef 548 ” 116. Cuts of pork 548 ” 117. Bath for artificial digestion 559 ” 118. Bag for collecting feces 563 ” 119. Fecal bag attachment 563 ” 120. Hempel and Atwater’s calorimeter 570 ” 121. Apparatus for acetic acid 603 ” 122. Apparatus for smoking 610 ” 123. Metal distilling apparatus 613 ” 124. Distilling apparatus 614 ” 125. Improved ebullioscope 623 VOLUME THIRD.