INDEX 



241 



Paracasein, 207, 212 

 Pentosans, estimation of, 147, 



153 

 Peppermint oil, preparation of, 



30,51 



Perchlorates, in nitrate of soda, 



96, 114 

 Percolation, rate of, through 



soil, 57, iy 

 Peruvian guano, examination of, 



182, 140 

 Phenylhydrazine reactions, 16, 



29 

 Phosphates, absorption of, by 

 soil, 47, 69 ; 48, 70 

 citric soluble, 124, 136 

 in cheese, estimation of, 207, 



211 

 in plant-ash, detection of, 6, 9 

 in soil, detection of, 40, 62 



estimation of, 78, 98 ; 87, 103 

 precipitated, 110, 128 ; 172, 



173 

 reverted, estimation of, 116, 



132 

 rock, 111, 129 



water soluble, estimation of, 

 116, 130 

 Phosphatic guano, examination 



of, 132, 141 

 Phosphatic manures, 124 

 Phosphorus, in plants, detection 



of, 2, 4 

 Photo-synthesis, 56 

 Polar i meter, 17, 31 ; 166, 168 

 Pore space, in soil, determina- 

 tion of, 53, 64, 74 

 Potash, absorption of, by soil, 

 47, 69 ; 48, 70 



Potash in ash, detection of, 6, 10 

 in mixed manures, estimation 



of, 186, 144 

 in soil, detection of, 40, 62 

 in soil, estimation of, 79, 99 ; 

 87, 103 

 Potash manures, 136 



salts, examination of, 127, 138 

 analysis of, 128-181, 139 

 Preservatives in milk, detection 



of, 186, 194 

 Proteins, digestibility of, in food- 

 stuffs, 174, 174 

 estimation of, 10, 17 ; 148, 



150 

 in butter, estimation of, 191, 



199 

 in cheese, 200, 201, 209 

 in milk, 175 

 reactions of, 9, 15 

 Pyknometer, 176, 179 



Quinine, tests for, 28, 42 



Rape dust, 134, 142 



cake, examination of, 162, 158 

 Reichert-Meissl number, 192, 



200 

 Rennet, 212 

 Rennet strength, determination 



of, 208, 212 

 Resins, 52 



in hops, estimation of, 32, 53 

 Rice, examination of, 161, 165 



by-products of, 168, 166 

 Roots, general analysis of, 164, 

 166 



Q 



