Troy weekly news. (Troy, Idaho) 1897-1933, 1906-07-20
PopuleT.Sience.
] ) Asss,. ';ssy


The new method of producing gen
eral anesthesia proposed by Schneider
lin of Berlin, consists in giving three
hypedermic injections--two hours, one
hour and half an hour before opera
tion-of scopolamine with SEINE nor
phine. Inconsistencies continues
some hours after the operation.
The British birth rate has been
steadily declirjnE u recent years, and
the latest report SHOWS the lowest rate
on record-twenty-se per one thou
sand for London and 29.2 per one
thousand for seventy-five large towns.
This scarcely exceeds the death rate.
which must become the greater within
few years. Sanitation has reduced
the death rate, particularly among in
fants; this alone has postponed the be-
ginning of race decline beyond the
present time. The falling off In the
birth rate-due partly to selfishness
and love OF pleasure and partly to our
strenuous modern living-is most seri-
Gus among the middle and upper
classes.
New England fishermen sometimes
find floating on the surface of the sea
an object which they have, with rare
descriptive force, named "the purple
VEIL" Twenty or thirty feet long by
four or FIVE wide, it resembles, says a
writer in the National Geographic
Magazine, lady's veil, OF gigantic size
and of violet or purple color. Pre-
fessor Spencer f. Baird found that II
consists Of transparent membrane,
, and that the purple spots are Termed
by iHnumerable embryonic nsh en-
bedded in little cells. These, and
there may be as many as million II
a single well" develop into the we'll
known angler or gooseish. One OF
these huge wells full of eggs is tht
> product Of single adult fsh. which
rarely exceeds three feet in length.
The storage Of heat from the sun
FIRST pointed out by Kalescinsky IL
Z 1901 In some small salt lakes Of Hun
> gary, has now been observed in sal
lakes of various parts of Europe ant
u in Siberia. In the Szovata lakes,
warm layer several yards thick, wa
:, found between two cooler layers, an
= a condition of the heating is the exist
ence of layer Of fresh or diluted sal
water over the notwithstanding layer
Even fresh water will be heated III
der n covering of OIL The stored hea
~ sometimes rises to $50 degrees F., an
"a may be retained for a considerable
time, and in lake of Norway
proved destructive to oysters until tn
cold water was let II from the ope
"a sea- Artificial solutions of variou
- salts may be made to serve like til
salt lakes as heat accumulators.
Now that the Isthmus Of Panama
about to be pierced with cana
ed which will form a waterway for nj
es rine life as well as for ships betwee
he the two oceans, the need of biologic
survey Of the fresh waters of this list
mus is suggested as a proper subje
ell for the attention of Congress. o.
problem for which a solution is soug
- is that of the connection between Il
fresh-water fauna Of the Atlantic al
the Pacific slopes of the isthmu
Il There are indications that the fish
4 of the Pacific slope streams cross
the divide from the Atlantic slope
times much more recent than that
the interoceanic connection which,
1 Is believed, once existed at Panam
Il The completion Of the canal before t
4 making Of the proposed biological 81
II vey would obscure the problem
producing an artificial mingling of t
faunas of the two slopes.