ON TANAESTHE TICS 175 
the human subject, fatal results have been proportionally more frequent than 
with chloroform. 
Bichloride of methylene, administered by means of Junker’s inhaler, has 
proved itself an excellent anaesthetic. We have, however, no proof of its 
superiority over chloroform, either in safety of administration or immunity 
from subsequent inconvenience. And it has the disadvantage compared with 
chloroform, that it is an unstable compound when kept in contact with the air. 
