102 



AGRICULTURAL 72XT-BOGK. 



Potash, 

 Soda, 

 Lime, 

 Magnesia, 

 Oxide of irr/n, 

 Phosphoric acid, 

 Sulphuric acid, 

 Chlorine, 

 Silica, - 



39.14 

 9.69 

 8.Q7 

 3.78 

 1.83 

 2.56 

 3.26 

 325 



48.42 



100.00 



The nutritive matter afforded by an acre o oat straw weigh ing 2700 Ibs- 

 is, of husk or woody fibre 1210 Ibs. ; of starch, sugar, Ac., 950 Ibs. ; of 

 gluten, &c., 36 Ibe.; of oil or fat, and of saline matter 175 Ibs. (Sts- 

 pkens.) 



260. Organic analysis of four varieties of Scotch oats, (Nor 

 ton and Fromlerg,) viz: Hopetown oats, Northumberland, 

 (A,) Hopetown oats, Ay shire, (B,) Hopetown oats Ayrshire 

 (C,) Potato oats, Northumberland (D.) 



From these analysis it appears that the oat is very rich in 

 oily matters and flesh-forming compounds. 



Avenin is a substance resembling casein (or cheese -when chemically 

 pure) precipitated by acetic acid from the aqueous solution of oat meal. 

 It appears to differ but slightly from albumen in its ultimate composi 

 tion ; and in its utility, as food, it is probably rather more nourishing. 



261. The proportions of nitrogen aud protein (flesh-forming} coia- 



