442 Miscellaneous Intelligence. 
without shifting any nae ae the dressings, and orks done so, 
st perfect cleanliness 
the gutta is not affected eo any amount of ablution ; neha is it soiled 
or rendered offensive by any discharge, all which washes off as easily 
m the gutta case as from oil cloth. I have had a patient where the 
ay protruded through the integuments fully two inches, walking about 
support can be supported by the gutta better than by any other con- 
trivance. For it combines lightness and smoothness, durability and a f 
capability of adjustment, ws possessed by any other known substance. 
new experiments have to run the gauntlet of acnsapnie and I do 
not suppose that these secngtaiiesiots will prove an exception | 
rule. But all Task of any surgeon is to try the seg 
argues on its propriety, and I feel fully convinced that all 
are some other uses for which I have tried this substanee, Viz., aS Cap- 
sules for the transmission of the vaccine virus, which ought to keep 
well when thus protected, for it is most perfectly and hermetically seal- 
ed. But I have not had sufficient experience in this 
to pronounce decidedly on its merits. Iam at present tt 
of it on ulcers, by enclosing the ulcerated limb in a cas 
as to exclude all yee and, so far, the experin 
success. , 
Since writing the foregoing “observations I have had 
vaccine virus hitherto in Singapore n for a few days 
most impossible,—that ‘thisibettlement, beavtichataniiig e 
gutta when pure is certainly slightly acid, that is, it will cause a very | 
slight effervescence when put into a solution of soda, but is unaffected | 
by liquor potassa. The smell although peculiar, is ase strong nor 
apleasant, so that the article experimented upon t have been ex- | 
| 
se dingly i impure, and possibly, derived a large apes of its acidity 
from the admixture and fermentation of other vegetable su seo 0 | 
Again, it appears to me that, if the gutta be pure, the very-elaborate a 
