394 G. F. Barker—Physiological Chemistry. 
possibility of any change in the blood after removal, a canula 
with a stopcock was inserted into the carotid artery of the liv- 
ing animal, and the blood as drawn was allowed to flow di- 
rectly into the boiling acidulated, water. This blood on being 
treated as above, afforded sugar: as also did another specimen 
after standing 24 hours. Fora third experiment, a good-sized 
dog, fed for four days solely on flesh, was given half a pound 
of boiled horse-flesh ; three hours afterward 13 ounces of blood 
right side of the heart, the aorta, and the inferior vena cava. 
