OF THE POTATOE. 433 
Wheat, Seeds, Husks, 
In lean Beef. Part of Beet, “from the Bell 
Carbon ...... 14.4 66.95 36.9 
Hydrogen... 8.6 10.06 7.2 
Oxygen...... 72.1 50.44 53.2 
Nitrogen ... 4.5 not determinable tt 
Ashes ...... 0.4 0.15 1.6 
Potatoe Starch and Gum 
contains contains 
MGARUNI’ “ces vcescassercats: 44.250 42.682 
Hydrogen .12.35J4..0000. 6.674 6.374 
Mitropen) “..2/.,tceei'e. —. = 
RYO canned oncene see <= 49.076 50.944 
The chemical analyses of the proximate princi- 
ples of the starch-bearing plants, are, according 
to Dickson, “mere combinations of water and 
carbon, (hydro-carbonates or hydrates of carbon, ) 
or compounds of carbon with oxygen and hydrogen 
in the proportions in which they form water, and 
consist in 100 parts, of 
Water Carbon 
Gum (pure Gum Arabic)... 58.6 41.0 
Sugar (pure crystallized) .... 57.15 42.85 
REE | 25. ostpedas.cvustbeuvecs 56.00 44.00 
Do MUPPETS EE eey CTE LTT) 50.00 50.00 
“‘ These are so many mutually convertible pro- 
ducts, of which Gum may be looked upon as the 
