260 G. F. Barker—Physiological Chemistry. 
the experiments on fasting carnivora (Exp. A) where it is 
stated that “the sugar found in the lacteals comes from the 
lymphatics of the liver ;’ nowhere is this fact stated of the 
herbivora in full digestion, In these animals glucose was 
recognized (Exp. D) not only in the chyle but also in the blood 
of the inferior and superior venze cavee, in the mucus of the small 
intestine, in the intestinal walls, in portal blood, ete. It was 
distinctly stated that the sugar in the intestinal walls might have 
come from the intestinal contents. As to Colin’s results, by 
which he proves that the chyle contains more sugar than the 
lymph, in opposition to the opinion they expressed, Poisseuille 
and Lefort leave the matter to the Commission having the 
papers to report upon. 
(45.) On the second of August, BerTHELoT communicated a 
ea 
free from nitrogen, it has the composition of cellulose ; chitin 
however, contains, even when purified, ,', of its weight of a+ 
trogen. The one is an isomer of cellulose ; the other has only 
with those given by cellulose but 
stinct from that substanc 
dil 
