Kxperiiiu'iital ( ►penitions on tin- rituitiiry 



81 



nspirution, or even by tlic auinial (.•()ll;^'llill;,^ I'lie lieurt-l»eat n\no ;;ave un 

 indicutioM of the condition of the subject. 



Siirt,nfal I'loccdures. — The aninuil, ••(iiuplciely uinlii- thf iiilluence 



VVi. 2. —View of ojieiation table sliowiiig also the sliding iiistninieiit table, the X'-shaped 

 block for aiiiniars head, and the tnbe leading to the ether apparatus. (Phntograjih.) 



Yic 3. — View of operation table and sliding instrument table covered with sterile cloths, 

 as at the commencenient of operation. (Photograph. ) 



of ether vapour administered intratracheally, was placed on its belly on an 

 electrically heated table with the chin restincr on a V-shaped depression 

 cut out of a solid block of wood (fig. 2). The legs were fixed to the sides 

 of the table, and the ears were tied together across the throat by means of 

 a silk suture passed through the tips. Next, the eyes were carefully pro- 

 vor.. XL, NO. 1.- — 1917. (5 



