TRANSPLANTATION OF VESSELS AND ORGANS. 



695 



examined. The circulation through the new artery was excellent, 

 and its caliber normal. The abdomen was closed. The cat spent 

 the years 1907 and 1908 at the Rockefeller Institute in excellent 

 health. The femoral pulse was normal. The condition of the 

 femoral pulse is an indication of the condition of the circulation 

 through the abdominal aorta. Partial or complete occlusion of the 

 aorta produces diminution or disappearance of the pulse of the 

 femoral arteries. To-day, twenty-five months have elapsed since the 

 operation, the cat is in good condition (Fig. 2) and the femoral 

 pulse normal.^ 



Fig. 3. Dog in which a segment of the abdominal aorta was replaced by a 

 piece of human popliteal arterj-. 



In INIay, 1907, a short portion of the abdominal aorta of a small 

 bitch was extirpated. Between its cut ends was grafted a segment 

 of popliteal artery from a young man's leg amputated at the Pres- 

 byterian Hospital by Dr. Ellsworth Eliot. Before being trans- 

 planted, the popliteal artery had been preserved for twenty-four 



'This cat was presented before the American Phj-siological Society, De- 

 cember 1906. 



