Index. 



291 



Pasture, influence on quality of 

 milk, 154. 



Patrick's test, 5; method for 

 determining water in butter, 

 233. 



Patron's dilemma, a, 172. 



Percentages, average, methods 

 of calculation, 171; fallacy of 

 averaging, 170. 



Phenolphtalein, 120. 



Physician's centrifuge, use of, 

 in milk testing, 72. 



Pipettes, 30, 45; proper con- 

 struction of points, 45; proper 

 method of emptying, 31; cali- 

 bration, 54. 



Pooling system, 3. 



Potassium bi-chromate, 166. 



Power testers, 61. 



Preservaline, 133, 247; detec- 

 tion of in milk, 133. 



Preservatives, for composite 

 samples, 166; in milk, detec- 

 tion of, 133, 247. 



Primost, 14. 



Process butter, detection of, 

 239. 



Proteose, 14. 



Quevenne lactometer, the, 101; 

 degrees corresponding to 

 scale of N. Y. board of health 

 lactometer, 104, 258. 



Readings of cream tests, 85; 

 of milk tests, 35. 



Recknagel's phenomenon, 105. 



Refractometer, 9. 



Reichert number, 239. 



Reichert-Wollny method, 237. 



Relative-value tables, 208, 271. 



Rennet tests, 138. 



Renovated butter, detection of, 

 239; boiling test, 239; Water- 

 house test, 239. 



Reservoir for water in Babcock 

 test, 70. 



Richmond's milk scale, 108. 



R5se -Gottlieb method, 5, 220. 



Russian milk test, the, 71. 



Salicylic acid, detection of, 248. 



Salt, estimation in butter, 236. 



Sampling cheese, 95; milk, 23, 

 29; milk from single cows, 

 148. 



Sampling tube, for cream, 179; 

 McKay, 163; Michels, 163; 

 Scovell, 161. 



Scales for weighing cream, 80; 

 milk, 148. 



Schmied method, the, 5. 



Scovell sampling tube, 161. 



Serum solids, 10. 



Short's test, 4. 



Siegfeld's modification of Bab- 

 cock test, 72. 



Sinking fund, 206. 



Separator cream, 19. 



Skimming of milk, detection of, 

 113. 



Skim milk, 19; Babcock test 

 for, 88; chemical aanalysis of, 

 226; composition of, 255; con- 

 densed, 250; definition, 250; 

 sp. gr., 100; test bottles, 90, 

 92. 



Solids not fat, 10; formulas for 

 calculating, 108; tables show- 

 ing, corresponding to 0-6 per 

 cent, fat and 26-36 lactometer 

 degrees, 260. 



Sour milk, sampling, 26; analy- 

 sis, 226. 



Space system, the, 175. 



Specific gravity, 100; cylinders, 

 101, 105; influence of tem- 

 perature, 102; of butter fat, 

 determination of, 237; of but- 

 ter, milk, 226; of condensed 

 milk, 228; of milk, 216; of 

 milk solids, 111; of sour milk, 

 226; temperature correction 

 table, 259. 



Speed required for complete 

 separation of fat, 57; ascer- 

 taining necessary speed, 59. 



Spillman's cylinder, 129. 



Standard measure for calibrat- 

 ing test bottles, 50. 



