AGRICULTURAL TEXT-BOOK. 219 



and consequently how beneficial for growing animals; but in 

 order to derive all the benefit possible from this fact, either wa 

 ter rich in lime, or some food containing an abundance of calcium 

 should be supplied .it the same time. 



Inuline (C 2 4, H;i, 0-;:,) is a variety of starch found in the dahlia, and 

 many other plants; specific gravity, 1.356, fuses at 212; rendered 

 jellow by iodine. Its aqueous solution doi-s not gelatinize in cooliug. 

 (Solly.) 



The following is the result of the analyses of two varieties of Jerusalem 

 Artichoke the white and red made by Dr. Salisbury of Albany, N. Y., 

 in 1850: 



White Tubers, Red Tubers, Tops of red variety. 

 Water, - 83.608 6835 40.08 



Dry matter, 16332 31.65 59.92 



Ash, 0774 1.352 3.85 



Ash Calc. or dry matter, 4 72S 4.27 6.425 



Inorganic analy-e* of the tubers of White f A.] and Red [B,] Jerusa 

 lem Artichokes, and the tops of the Red variety, [C,] grown near Alba 

 ny, N. Y.: 



ABC 



Carbonic acid, ... 21.75 23.10 trace 



Silicic acid, - 1.60 1.40 26.55 



Phosphoiic ncid, - - - 9.75 12.05 11.10 



Phosphate of iron, - 1 .20 1 .25 3.25 



Lime, - - 1.95 3.35 18.30 



Magnesia, - - 0.55 0.30 8.85 



Potash. - - - 42.20 43.65 11.40 



Soda, - - 1525 6.60 15.85 



Chloiino, - - 2.55 265 0.85 



Sulphuiicacid, - - - 1.95 4.45 4.05 



98.75 98.80 99.60 



Proximate analysis of the fiesh tubers of the White [A,] and Red [B,] 

 Jerusalem Artichoke; and of the fresh tubers of the Potato, [C.] 



ABC 



Water, - - 83.608 68.330 74.713 



Fibre, - - - 2232 3.676 6.839 



Sugar and extract, - - 3.952 7.688 2.367 



Dextrine, - 26.52 5436 0.923 



Casein, - - - 2.052 4.4CO 2.054 



