a 
Sy 
r 
208 Small-Pox. 
contains rose coloured mica, garnet, and beryls, similar 
to those in your possession. With the assistance of a com- 
petent person, | blasted the rock yesterday, and obtained 
some fine specimens of the green tourmaline and very good 
sized beryls, one four inches in diaineter, and six inches in 
length. The rubellite and rose coloured mica were not as 
abundant as I could have wished. I procured, however, all 
that was visible in the two veins, which I discovered, and 
from the great abundance of granite in the vicinity, which 
is frequently traversed by veins of quartz aad feldspar, exhibit- 
ing the green tourmaline and beryls, f am confident more 
will be found. 
9. Small-Poa.—Dr. F. Pascalis, in an essay read before 
the County Medical Society of New-York, April 11, 1825, 
maintains that the virus of small-pox “is a compound and 
morbid formation from human effluvia’”’—that it ‘is an ani- 
mal poison, exclusively proceeding from human beings, and 
that when prevailing as an epidemic, it is of a recent and fresh 
formation’’—and that it ‘may be often renewed in camps, 
jails, ships, hospitals, and burying-places, as well as in all 
dense assemblages of human beings.” © This specific mat- 
ter, it appears, is formed or aggravated by an animal or dele- 
terious effluvium, which passing from man to man, from 
breath to breath, gradualiy acquires its elementary intensity, 
by which a single particle or atom of it, similar to leaven, ex- 
cites a general ferment of the whole lymph of the human fab- 
ric.” ‘Phe variolus fomes can exist, Dr. P. thinks, under dif- 
ferent and modified forms, such as chicken-pox, swine-por, 
&e. which have been designated by the generic name of vari- 
- cella. Dr. P. discards the commonly received opinion, 
‘that the small-pox is specifically unique and sui generis ;” 
and holds that there is an impertant distinction between epi- 
demic small-pox, and artificial or inoculated small-pox. 
Vaccination, he thinks is a complete preservative against arii- 
Jicial smallpox ; but neither the vaccine disease, nor the 
inoculated small-pox is a complete preservative against the 
epidemic disease. 
.Nolte.—Some Meteorological notices, and other items of domestic in 
Aelligenee. are unavoidably deferred. 
