Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1899-10-28

N.NNfNlluut DO form VIII Doe Nmn 20
changed by 1000 alteration ln dcnsiv hat
it D. referred a. a. difforsut genus.
Other rhyllop0ls exhibit the same
nluutubIltY but that fact does not
furnish SUFFICIENT basis Tor goncraiiEa-
ton such 1s hnp been quoted.
SOME EXPERIMENTS.
Similar experiments have not been
made with FISHES nor with the higher
cfuaiacra. although the anadromaus
species like the Hhud and the Atlantic
salmon experience uu ll Effects from
their periodic migration from sea water
into the itcsh-wuter rivers. and Vice
versa. Some years ago the United
stntta Fish Commission made plant
~ Hhhd ln tho Jordan River but. with
thc exception uf one or two. tho nah
were never heard from. n b. we'll
known that the oyster viii not thrive In
Wnter ~ fuN oceanic density No oyH-
ter beds are found along our coasts at
Hny distance from sources of fresh Or
hfuckish water. ana ln density %
D o-l, suliuliy less than one seventh
that % Great Salt Lake. they nru small
ana ~ very inferior qualify usually
growing between tide marks. sometimes
ON the shores aud often uu piles. man
groves, aud other fixed bodies 10 which
they attach.
The prucoss of evolution has made the
oyster nu organism adapted 90 live Ia
hrlcklah ~ Hsmlsalt water. despite the
fact that un our coasts there o. ample
opportunity Cor lt 60 ac0llmato Itself
by dogrvrH' 40 water ~ fun oceanic
density, or on the other hand. Tor Il
60 extend iH habitat up the rivers In
TO fresh water
The optImum density for oyster-cul-
iutr is between the specific rrayltlcH Of
100 ana iOlU. which range in Great
salt Lake ID tn De- found only near tho
mouths uf rivers which low into tho
lake uu the eastern shore An Inquiry
disclosed that the position or the favor
able zone nuctuutDs under the influence
uf n variety uf causes During the his
torlc period the level % tho lake has
undergone extensive oscillations. large
areas ~ land being Hooded during peril
DDS ~ high water and conversely the
bottom OF the lake being laid bare at
llw-wutor stnura. There o. unnuuuai
oscillation having the same effect In -
minor degree, aud the seasonal vnrin-
ton IN the discharge OF the rivers
causes wide range In the density ~
the lake near their mouths Finally
lhefu nto irregular variations due To
the influence NJ the winds in driving
ne lake water up on fluplng lee shores.
II the conditions na found at any
given time were constant there would
be no difficulty lu introducing such sea-
SHE marine organisms us The oyster.
but the frequent. almost continuous.
Joy "A tt"Ha iN AA. HNN.lNh 20 NlN M.ttF
make the attempt entirely uufruHlhlu.
y n noi Improbable that places could
pc iguni where lew ndult oysters
Mnull rutNit. nut me conditions are
such uB would Inevitably prove fatal to
lhr oyster ifN when. 90 trce-sWlm-
nuns organism, would DE- certain To DO
Mnll'u hy Tue currents INTO water on
the one hand too dense. OF ON the other
700 ircsh, 20 D. WithHtnud by iia deli-
'.le nnd sensitive organization, The
HuNgf.n nud unsuitable conditions
would also b. sure 90 be rejected IN the
lhtrr.or condition ~ such adults as
mlkht he ahle To survive
,...,,. .-,,.,,,,,.,,5 ,...,....,........,.,
N'A ''MAlHl'DlN LLi 9bDNtSHFul
M. ,,..i,... d.. ........i....., ,.... 49,
,,,,i,', Wy, 'ug'l gvin nia *
bris rrpisEi.b.i AZ tbgir ov,n r.r9n,
tuctiys nrtIvItv nor thor, r,aipt,in,a
by ANIMAL Iuu5ftatl,Bs ff.,p, IN. reief
AZ pr1ctlrsd IN no plantSrs Ia san
lsrauclsco nav cln bs introdacot la
Grrnt s1lt faks Win npy ass1rapce ~