THURSDAY, NOVEMBER 28. 1963
A 3
Snail
Worlds
Around
Ut
lynn W.
Walkim
.. .
PRICES AND ITEMS EFFECTIVE ONLY AT WEST MAIN, MEDFORD, AND ASHLAND STORES
'" -rn... ....
MUUKOKD MAIL TRIBUNE, MKDKOKD, OKEUON
This Fearsome Creature '
Is A Tiger In The Water
With none of the grace and
beauty of the real tiger,, but al
ways present in fresh water
lakes and streams, crawls a
ferocious little monster, barely
an inch long, aptly named the
"water tiger." It is the child
of the diving beetle, a- fierce,
bloodthirsty little monster, just
as fearsome to the other inhabi
tants of that underwater com
munity as is the real tiger in its
Asian jungle.
At most, this small water 'ti
ger has but a few weeks to live.
In that short time it will fearlessly-
attack tadpoles, small
fish, salamanders and every
form of insect larvae it can
find. It stalks its prey like a
true carnivore, pounces on it
cuiu uijetia iiiiu uie vicum a po
tent digestive fluid that turns
the victim's organs and tissues
to a jelly, which is sucked out
and satisfies the little tiger's
appetite. Satisfied for but a
short time, the water tiger, aft
er a short rest, goes on the
prowl again, after more victims.
If other prey is in short sup
ply or too elusive to be easily
captured, this miniature carni
vore will become cannibalistic,
attacking others of its own kind.
If, as sometimes happens, there
is an over-supply of water ti
gers in a small lake or pond,
they may kill all the fish before
the fish have a chance to grow;
this occasionally happens in a
fish hatchery, and the depreda
tions can result in actual dis
aster. There are records where
an over-abundance of water ti
gers have completely decimated
a rearing pond where thousands
of baby fish were being raised.
Transformation Time
When the last victim's body
has been drained of its body
fluids, and the larva, which is
the water tiger, is propelled by
a force it cannot resist, it
crawls from the pond, and up
onto the shore, where right by
the water's edge, it builds about
itself a crude cell of earth. This
is the time for the transforma
tion. Inside the earthen cell the
water tiger's body undergoes a
change. Three or four . weeks
later, the cell ruptures and out
crawls a beetle with an oval
body and a black overall color;
. it has become a diving beetle.
It can fly now, but its preferred
habitat is in the waters of the
nearby pond.
During its water tiger days
It was seldom seen. Now it be
comes a conspicuous object, a
creature of interest for folks
who visit ponds and lakes and
see, on the water's surface, the
skating beetles. If a closer scru
tiny is conducted, the dimpling
of the surface film, where the
breathing tubes of the diving
beetle is projecting, can be dis
cerned.
Breathing Tubes .
On the. rear nf the riivintx
beetle's body are the breathing
lUDes; wniie tne Dody ot the
beetle hangs head downward,
the tubes are hrinfftnp in air
that the insect needs, for now it
is dependent on oxygen. How
ever, it hangs there but for
short intervals; soon it will cap
ture a few air bubbles and hold
ing the bubbles under its wings
it will dive to the pond bottom.
The extra supply of air, in the
form of bubbles, can prolong its
underwater stay.
The diving beetle is a peculiar
looking insect. Viewed at close
rnn0f nnrf hfiri An thn ausb
seem very large, and located on
me outer margin oi uie neaa.
The rear legs are developed
into swimmine nnrs. Thp divine
beetle is known to be distasteful
to fish; it emits a disagreeable
nuia mat renders it safe from
most underwatpr rrciripntc
The eggs are laid in the stem
of a water plant, and hatch into
larva, cruel, bloodthirsty little
monsters With flll thp ramiiMr.
ous characteristics and habits
ot a true Asian tiger.
Research Shows
Effects of Litter
CORVALLIS - The make-up
ot the torest litter underneath
Douglas fir forests has an im
portant effect on the growth o'
the trees.
A research project conducted,
by Dr. C. T. Youngberg, Ore
gon State University Agricul
tural Experiment Station.
showed that different types of
forest litter, when added to
poorer soils in greenhouse
tests, had different effects on
the growth rate of seedling
Douglas firs.
The OSU research project is
an outgrowth of a soil and veg
etation survey made in Western
Oregon's Alsea Basin. Tests
were made of the chemical and
biological properties of the var
ious types of forest litter in the
rea- , . .. .
Youngberg pointed out that
the studies could lead to a bet-
lor understanding of soil ca-
Safeway Sells Only Quality Merchandise . Priced Much tower Too!
Prices Effective Thursday, Nov. 28th, thru Sunday, Dec. 1st
CE339 05)
UDICO ELECTRIC
CAN OPENER
and Knife Sharpener
home from
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toast and
jam
automatic ? '.
HUH I I tlflHMBl A I.MK
vmi ukill ana WAm t hakfr
97
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Model
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10
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Durable metal connection
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WASTE BASKETS
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INFANTS STRETCH
CRAWLERS
Sugor'n Spict brand. All nylon and cof -ton
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Sizes 6 to
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Styrene oval shope.
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I1 LADIES STRETCH DENIM CAPRIS
TAPE RECORDER
A Tranilitor com
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11
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Amplex pretested guaranteed,
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Pkg. of 8 -M5 . $1.07
Knife Sharpening
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87'
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Sites 6 to "4 '. Sins
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69c 79c
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SWEATERS
100 Orion Acrylk-"V"
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Stretch top soft, warm and ;
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Sins i(4 thru 914. -
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Mm
67
Pan Roaster
17V." x 11 38" x 2 V
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I
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99
CHAMPION BRAND
SEAT BELTS
EVEREADY FLASHLIGHT
BATTERIES
35
Slzei "C".A "D"
cell. Keep supply .
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Pkg.
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PORTA-FILES
Metal file cabinet for
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holds over 800 ;;
documents personalize."
87
Fireplace
GRATES
J , Six steel bars-sturdy, '
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97
1 00 Colorfast nylon, Cam to
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all cars easy to in-
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ru'wwsjil., F'.
FURNACE FILTERS
Duil slop Fibergloii provides a
dtonir, healthier air. Chonge your
fillers now. fte ready for winter.
Mnch Filters '
)6 JO - lo J5
and 20 x 20 4.
NOW ONIY . . . . ,
2-Inch Filters
16 x 20 - 16x25
20 x 20 - 20 i 25
NOW ' ONIY . . .
BATTLE WJCON
kAAI . .
AS SEEN ON
ONLY AT WEST MAIN
A KID ACH AND
dF
mm
i
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6 Roll GIFT WRAP
A colorful assortment of gift wrap
paper for your Christmas wrapping
For fa) (OK
Only
71
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4 MumlnCl
SAFEWAY;
VITAMIN C
250 MG
Bottle of
100 tablets'
V AQUA...
2-Key. Complete
wim music
book. Slack or
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Economy Stores Only
WmWi J
X. NET HAIR SPRAY
89
UlKLS PIANO fV Hold'n".klf!-lnralny,
MIHI.W I IHI1U lWllM, ,,om
leaves hair stiff, or sticky. Adds
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TICKLES &
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87'
1 rnn
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New Score
HAIR CREAM FOR MEN'
Th clear hair cream
Plus 7e Tax ,lge. slie
Spank her, she cries. ' 3L mil ssa :
Tickle her, she laughs, L WILLIAM5 ELECTRIC SHAVE
SWT i -
W xegulor and Menthol. Prepares
v ' n cioier snave.
3 -ox..
bottle
67'
PEPSODENT TOOTHPASTE
Jjjj '-Twe ! pkgs. Regular 9e.
RINSE-AWAY SHAMPOO
i; 87'
Concentrated medical formula.
6-or
bortl
4
E
Si
mm msm mmw mm
-iiu anri nroductivity in
Douglas fir stands.