THE MENTAL LIFE OF FISHES
349
ness of
had gai—ned so much experience as to '
pay no attention to the Minnows and the partition was
removed, Even then the Perch did not venture into the
Minnows’ préserve.
HOW
long the absent partition
remàined intheir memory is not told, but—whenbhé of the
Minnows acCidentally got amongst them andpassed rapidly
by, it promptly disappeared. On another-occasion, after
the partition was
of the Minnows trespassed,
bdt"is_o. long as it swain quietlÿ aboutit was not molested;
ThÈÈË
took fright appare'ntly, made a‘ quick
andpa1dthe penalty Of its transgression. : There is probably
a
.
psychological explanation of the latter phen6menon.
for example, havebecome
the rapid
movements of
motors,
as they areatŸa
safe distance, but if: anything small, orlet us Say not too
'
1ärge, passes quicklyin front of us, there is an urge within
to,_ seize it or
In_her—interesting notes-on
the behaviour of èhes in the New York
Mellen hasâemphasiæd this :pecü1iar—i‘tÿ Of living—nature;
In» the Àtiùarium just mentionedran expenmentWas made '
_
to bring about an
?].
,
-
a,srhall
“1Whe the-former
,
,
attached1tself tO_ the .D0gàshark, the latter ;‘$truggledgfor
_
_
heursmtheattempttodlslodge
bù'- nallyacœptedthe
.
meVl‘tableAfter : some Çmmhsg 0fthelrlnümaîeasso ?
—
*
manonbothspec1esremænm {“gë0@
(€,—H 1"Î
ThêäîhétogfraphÏ£(zBlï
'
,
of_the
Wé,Cajadnrè therein_thé reasonmg '
_
to the mastershand
‘
Ï.
'
,
,
.? *Α
-
-.
In
ShêS
,
,
?
,
upwndthuftntrtdfnbyæbh
=
—
’_Çëùlâgàny one thmk:it
î '
.
-
prey ?. .Yet thesmaiTèxoœs
"‘fffî? Ÿ
'
—i_théWonderland-ef—Siam
_
,
—à =:-pro.chmy;, its: methdedbdnBhmgë—ëbw
51
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