Hopkinsville Kentuckian. [volume] (Hopkinsville, Ky.) 1889-1918, 1892-12-16
SCIENCE AND INDUSTRY.

"A calculation of the average volume
of the gulf stream thlt passes Cape
Florida in one hour gives the enormous
sum of 10000, 900, OOJ tons. We're this
amount evaporated tho remaining salt
would require more than one hundred
times the number of sea. going vessels
now afloat in the world to carry II
The fruit ranch of Gen. John Bid.
well, at Chico, Cal, contains g., aG)
acres and from IL o. 800. 900 pounds OF
dried fruit were prepared last year.
The 10000 peach trees bore 2,3O 0j)
pounds of fruit, and a single cherry
tree produced 100 pounds of cherries
The popular idea that water Is
purified by freezing has been a gain dis
proved by recent careful experiments,
which show that the average amount
OF impurity retained by the ice is SLS
per cent. Of organic matter, AMI 81. 2 per
cent. OF inorganic matter. As organic
matter is the more Objectionable Of the
two the case Is worse than was former
ly supposedly. Y. independent
Prof Grew finds from experience
with ths Lick telescopes that the
smaller tubes are superi n fo" the OBJ
servation Of solar prominen,r's Tho
large instrument fails 10 rive the proper
definition; and this, he says is probably
due to the current OF hot air risi q from
the intensely heated canyons surround
ing the observatory, so that the ELI
cheney OF the different si2cl telescopes
Is just the reverse Of what il isat night.
The gals OF aglll fly produced on
an oak attract, states Dr. Rathty, by
their viscid secretion, u number OF small
ants, which he believes TO be advan-
tageous 10 the tree, in killing quantities
of caterpillnrs and other insects which
are its natural enemies. lie illustrates
the value of this protection by the
statement that the inhab tlntS OF
single ants nest may destroy In u single
day upward OF 100, 900 insects
Photography is now being male To
record the movements OF the growing
parts OF plants Especiaiiy eurioHs are
the results with certain climbers, such
as the hop convolvuls, isomoea, etc.
The young stems move In "A succession
OF irregular circular or elliptical curves.
which vary every moment, even In di.
rection, and are due tn irregular growth
In different parts OF the stem. During
the sleep OF plants movements do not
cease, but consist OF alternate upward
and downward vibrations
In experiments on the influence Of
food and surroundings on the color of
animals. NJ. T. ~ Poulton reared eat.
erpllars of the pepper moth under diff
ferent conditions Those confined
among green leaTSs srs. ...~!tss became
green, those hsviny bHlck OF brown
twigs mingled with their food were
brown or black, and others were turned
light-eolored by white paper With
artificial co ors, rod pnd blue tended 70
produce dark coloration, though, very
strangely, painted twlgs had not the
same effect as those with the same nat
ural tints
"A stitch Is a sharp, spasmodic pain
IN the muscles OF the side like the pierre
Ing OF q needle and Is very apt To DO
produced II exercise Is taken im,nediate-
ly after q hearty msaL This arises boz
cause.-the nervous energy necessary Tor
tho proper worNing ~ the muscles In
exercise is engaeeA ~ another direction.
namely, In assisting the digestion ofthe
food. Anything that interferes which