354 C. M. Child 
interfere with the result. With the aid of an anesthetic this opera- 
tion could undoubtedly be performed very easily, but I have found 
this unnecessary since a very simple means of attaining the desired 
result is available for all pieces except those in the cesophageal 
region. The muscles and other mesenterial organs below the 
if 
Fic. 1 
cesophagus are bulky and the contraction following a cut in this 
region almost always results in forcing a considerable mass of 
these organs out of the opening. ‘This is especially the case in 
short pieces which contract more strongly than long pieces, doubt- 
less because the whole piece is stimulated from both cut surfaces. 
