G. F. Barker—Physiological Chemistry. 27 
starch and dextrin being €,,H,,©,, while glycogenic matter 
is €,H,,0, ; that the latter resembles hydrated starch rather 
than dextrin, since like starch, it forms a paste with water and 
is colored blue by iodine, while dextrin does not form a paste 
trogen. 
may be entirely removed by repeated solution either in strong 
acetic or in cold dilute nitric acid, and precipitation with alco- — 
iol. Kekulé confirms the views of Bernard, Hensen, and 
Pelouze relative to the properties of glycogen. It is white, — 
and completely amorphous, and is colored violet or reddish- 
: * Verh, Med. Heidelberg, Jan., 1858; Jahresb., 1858, 568. 
+ Ib.; Jahresb., p. 570. eS 
