Index 



325 



ELECTRIC lamp, 8 



Enzyme (cyto-hydrolyst), 65 ; in 



digestive tract of herbivora, 67, 



216 



Esparto, 84, 220 

 Eulysm, 227 

 Explosives, 44, 308, 317 



FERMENT, acetic, form ing cellulose, 

 72 ; hydrolyses of cellulose, 255 



Ferric ferricyanide, action on jute, 

 115 ; theory of dyeing, 124 ; be- 

 haviour with gelatin, 129 



Fibres, raw, investigation of, 269 ; 

 fibre constants, 300; numerical 

 expression, 301 



Films, 4, 44 



Filter paper, 3 



Finishing processes, 6 



Flax, 79, 80 ; retting and scutching, 

 217; cortical tissue, 217; flax 

 fibre proper a pectocellulose, 

 methods of isolation in laboratory 

 and in practice, 218 ; flax cellu- 

 lose, 219 



Food in relation to work, Muntz's 

 researches, 168; tables, 169,170, 

 171 



Fremy's classification, 173 



Furfural, product of acid hydrolysis 

 of oxycelluloses, 82 ; reagent for 

 obtaining, 82 ; furfural-yielding 

 complex, 98 ; estimation of, 99 ; 

 oxidation of, 319. See also Jute 



, 86, 199, 2l6, 222, 262 



(ilycerol, 228 



Glycodrupose, 161 



Glycolignose, 198 



(ilycuronic acid, 184 



Green fodder-plants, 7 ; investiga- 



tion of, 270 

 Grundsubstanz, 167 

 Gum-arabic, 216 

 Gun-cotton, heat and products of, 



combustion, 43. See Cellulose 



nitrates 



HACKLER'S dust, 234 

 Hackling, 80, 234 

 Hemi-celluloses, 87 



Hemp, 79 



Hexoses, identification, 261 

 Hippuric acid, 192 

 Humus, 238, 239, 314 

 Hydracellulose, 54 

 Hydration, 245 

 Hydrocellulose, 54 

 Hydroxyfurfural, 317 

 Hydroxypyruvic acid, 47 



JUTE, 91 ; composition of fibre, 92 j 

 furfural-yielding complex, 92 ; 

 cellulose isolated not homo- 

 geneous, 93 ; quantitative esti- 

 mation of cellulose constituents, 

 94 ; by chlorination, 94 ; by bro- 

 mination, 95 ; by treatment with 

 nitric acid and potassium chlorate, 

 96 ; with dilute nitric acid, 97 ; 

 by sulphite and bisulphite pro- 

 cess, 97; estimation of furfural- 

 yielding complex, 99 ; of keto R. 

 hexene constituent, 101 ; estima- 

 tion of constants of chlorination, 

 1 02 ; empirical formula, 102 ; 

 determination of HC1 in reaction, 

 104 ; control observations, 104 ; 

 estimation of secondary constitu- 

 ents (methoxyl) by standard me- 

 thod of Zeisel, 106 ;CO.CH 2 resi- 

 due, 107 ; systematic account of 

 fibre ; 'butts ' or ' cuttings,' 109, 

 287 ; sp.gr., no ; analysis of va- 

 rious specimens (table), I IO; com- 

 position, ill ; empirical formula, 

 in; artificial cultivation by A. 

 Pears, in; analysis of cultivated 

 fibre (table), 112 ; lignocellulose 

 hydrates, 113; solutions of ligno- 

 cellulose, 114, 263; qualitative 

 reactions and identification, 115, 

 262 ; action of aniline salts and 

 coal-tar dyes, 115, 262 ; action of 

 phloroglucinol, iodine, chlorine, 

 ferric chloride, ferric ferricyanide, 

 115, 262, 266; chromic acid, 

 potassium permanganate, 116; 

 compounds of jute cellulose, with 

 acids and alkalis, from dilute 

 solutions, Il6, 263 ; from concon- 



