Lewiston teller. [volume] (Lewiston, North Idaho) 1878-1900, 1882-08-17
.scrENTIrIC MISCELLANY.

Dish channel is that it would open a
highway for the Invasion of Great
Britain in case Of war with Cont,
mental powers. DIR. Siemens suggests
q noval plan Of defense from such in
vesion should the tunnel be construct
cd. He would arrange chambers of
.chalk, in communication with the
shore ends of the tunnel, in such a
.manner that the chalk could be read
-ily flooded with dilute muriatic acid.
Tho result of turning on the acid
would be tho rapid filing half mile
4or more of the tunnel with carbonic
acid gas, through which no human
beings could pass alive.
In the operation known as skin
grating, DR.. Lamalleree, Of Paris, re-
Gently used at the same time gratis
from the abodoman of rabbit and
from TIE forearm Of man. The skin
from the rabbit gave much the better
results, as it readily adhered and grew
WI ie the other did not. Three months
after the operation the healing of the
sore had continued to progress fav-
.or~bly, and the engrafted skin showed
mo trace Of its origin.
By what he terms a galvano plas-
tic method, member of Berlin Physi-
cal Society, has succeeded in coating
organic bodies with metal, so they
may b iudegnitely preserved. He
has shown numerous articles, such as a
beetle, butterfly, crab, mulberry
leaf aud rosebud-plated with gold,
silver and copper, and showing per-
1ectly every detail Of their eternal
forms.
Dr.. Berenger Feraud has described
= curious people--the itinerant muci.
clans who travel in every part Of Cen
trail Africa, from the Atlantic to the
Indian ocean. They are known as
uriots, and constitute a distinct con-
federation. under the authority Of
chief, whose influence is very power
tul among its scattered members, and
who levies heavy tax from their gen
sral receipts. They are regarded with
fear and repugnance by the negro ma
tives Of the lands. which they traverse,
and are lool ed u. 0 as members Of On
impure caste, whose dead are capable
of bringing sterility and perpetual
drouth to the ground 10 which they
are buried. They are skillful and i'm,
provising and reciting; some play the
violin and guitar, while others beat
the tam tam, or play on various dis
cordant wind instruments. Their con-
federation is undoubtedly Of long stand
ing. They maintain. some degree
Of INSTRUMENTATION among the AT.
sican races, but frequently make mis-
chievous use Of tho extraordinary IL
eense granted them Of going who
they will By fomcn,ing quarrcls among
the. various tribes.
Prof. William Ramsay suggest that
tho various vibration theory be applied
70 account for the sense Of smell, as he
deems II probably that smell is excited
By vibrations Of a lower period than
those which you rise to the sense of
Light and heat. These vibrations are
conveyed to the network Of nerves in
tho nasal cavity by gaseous molecules
from the substance giving the odor.
The difference Of smells is caused by
The nature and rate Of such vibrations,
just - difference in tone Of musical
sounds depends on the nature and rate
~ vibrations.
Transitory color-blindness has been
producsd BY few hours stay in the
snow.6elds illuminated by the sun, all
artificial lights appearing green for a
short time.
Before an English committee of in.
qsiry, DR.. John Hopkinson has ex,
pressed the belief that the whole Of
~ electricity generated by one horse
power would not do more than boil q
gallon and half of water an hour.
This opinion was given as evid anoe
that electricity is not likely to become
economically useful for heating pur-
Doses-
A prize Of &c. 900 has been offered
~ the French government for the