Pure and Mixed Linseed- Cakes. 
■61 
Composition of Flax-Chajj' (the Secd-capsulcs of Linseed.) 
Moisture 14-(iO 
Oil 2-82 
* Albuminous compouiicU (tlesli-ibriuing matters) .. 4"75 
Gum, mucilage, and sugar 8 '72 
Digestible fibre 18-513 
Woody fibre (ceUulosO 43-12 
Mineral matter (ash) 7-43 
100-00 
* Containing nitrogen •7G 
Flax- chaff contains more oil, and rather more albuminous 
matter, than the straw of cereals, and is more valuable for 
feeding purposes. However, on the whole, it is a cheap and 
bulky article of food which should never find its way into 
linseed-cake. 
30. Ji7/e is occasionally found in adulterated linseed-cake. 
31. Maize or Lndian Corn is another material which is employed 
for adulterating linseed-cake. 
Fig. M.—Skin of Bye. Fig.' 35.— Skins of Maize. 
32. Sawdust. — In completing the enumeration of materials 
which I have actually found in oilcakfes, I have to mention that 
in several instances pine and mahogany sawdust were detected. 
III. Composition and Properties of Adulterated, Mixed, 
AND Inferior Linseed-Cakes. 
The foregoing description of the materials used in oil-mills, 
for the purpose of adulterating linseed-cakes, and for the manu- 
facture of compound feeding-cakes, shows how great is the 
variety of substances which are actually used for the production 
of cheap and adulterated linseed-cake. 
Some of the materials, which, like curcas-beans or castor-oil- 
cake, are downright poison, do not frequently occur, and gene- 
rally get mixed up with feeding cakes through ignorance or 
