INDEX. 



407 



PAGE. 



Phosphorus, function of in 



plants ... 212 



, , occurrence and 



properties of 12 

 ,, relative abun- 



dance of ... 19 

 Phyllocyanine, preparation 

 from chlorophyll ... ... 221 



Phy llotaonin , preparation from 



chlorophyll 221 



Phylloxanthine, preparation 

 from chlorophyll ... ... 221 



Phylloxanthine, composition of 221 



Pialyn, see " Steapsin" ... 270 



Pig, analysis of excrements of 112 



, , calorific power of fat of ... 5 



,, excrement, amount of per 



day 119 



Pigeon, analysis of excrements 



of 112 



,, percentage composi- 

 tion of excreta of 131 

 Pixine, coagulation of casein by 310 

 Plants, action of light on ... 232 

 ,, cause of stiffness of stem 



and leaves of ... 227 

 ,, classes of chief com- 

 pounds found in ... 185 

 ,, diminished growth of 



in towns ... ... 36 



,, food, availability of ... 101 

 ,, ,, improvement of 



in soil . . . 109 

 , , formation of formalde- 

 hyde in 236 



,, main parts of... ... 225 



, , natural source of nitro- 

 genous food of ... 81 

 ,, nodular swellings on 



roots of leguminous 80 

 ,, poisons ... ... 380 



, , position of oil in ... 204 

 , , proximate constituents 



of 185 



, , ultimate constituents 



of 185 



" Plasmolysis," phenomenon of 228 

 ,, posssible pro- 



duction of 

 by spraying 367 

 Plumule, determination of 



direction of growth of ... 224 

 Polyhalite, composition of ... 165 

 Polysaccharides ... ... 186 



Polysaccharides, products 



formed by hydrolysis of ... 192 

 Potash, amount in drainage 



waters 76 



PAGE. 



Potash, determination of in 



soil 97 



, , limit of in soil . . . 102 

 ,, loss through the skin 114 

 ,, manurial value of ... 303 

 , , manures, application 



of .-.. 166 



,, manures, chief com- 

 pounds in ... ... 165 



manures, chief sources 



of ... 164 



,, manures, Stassfurt 



deposits of ... 164 



, , manures, Stassfurt 

 deposits, output to 

 various countries . . . 165 

 , , manures, valuable 

 and objectionable 

 ingredients of ... 176 

 , , muriate of ... ... 167 



,, proportion retained 

 by animals from 



food 302 



,, sulphate of ... ... 167 



Potassium, estimation of in 



manures ... 180 

 , , chloride, action on 



plants ... ... 166 



, ,, function of in 



plants 212 



,, nitrate, occur- 



rence and for- 

 mation of ... 149 

 ,, occurrence and 



properties of ... 13 

 ,, relative abun- 



dance of ... 19 

 ,, retention of in 



soil 14 



, , sulphide as a fun- 

 gicide 375 



Potatoes, application of pot- 

 ash manures to.. 243 

 ,, effect of green ma- 

 nuring on ... 242 

 ,, effect of farm-yard 



manure on ... 243 



food of 242 



Producer gas, see " Ammo- 

 nium sulphate" .. ... 145 

 Proteids, classification of ... 214 

 ,, constitution of ... 213 

 ,, estimation of in ana- 

 lysis 216 



,, formation of in 



plants, process of 237 

 ,, formation, necessity 



of light during 237, 238 



