THE 'MENTAL LIFE: OF FISHES
degradeä" passion Which emboldens the miser. to" 'suer
death rather than lose his gold-S’
is the'bäsis_ôf the'courage
_
"
of the farsèe_ig martyr for his religion, »for"he. is willing to
sacrice the present for an illimitable future—. ‘
Wonder may be
one
and. the same
method of care should have origîatedindependeny many
times, but this will dimihish .” on reection.
the
I
sense
of proprietorshipin the
been established.,‘
protection by hiding' them or
of foreign
substances that would interfere
“them would not
'
'
unnaturally follow. The _moùthgäis used- {by
for
carrying, and the instinct to take __up the ‘egîgs into the mouth
'
for protection would be a natural consequence which might
ï
.
be, and repeatedlyÿhæ been, developed into a habit; These
'
and other provisions for the care of the
not make
'
_
exæssive demands on' our receptiye
__
capaciyf‘Ïor— imaginae
_
,
'
tion.
It is only when we
case of the Stickleä
hacks that the combination of aptitudes for? nest -making
impresses us. ‘ In them complexity
an extreme;
'
‘
There is a sympathetic
testes ; there is the synchronous response of "bb‘_Èhÿtd eXternal
Ï
_
stimuli ; there is the reaction of both on__the b1‘ài =an_d_0f ”Ch—è
brain to external conditions; there is
_
wonderful thread which is used to bind the nest materials ;
'
there is the instinct to use thethread ;, there are, nally,
the regular aptitudes and.iihpulseS Whlchare shared With
the majority of shes; Such-an
and Çfm'
vergence of structural,
characters almost force upon. usa…rejeC0fas explanatmn,
-'
,
'
of natural selection or sexual Selectiojî? The
manifested in the Gastèrosteids is,
Of” the
.
.
'
.
'î
"’ _' "'.
.
'
.
greatest wonders of the evolution of
,
_
—_
,
_—
‘According to the theory of
.
_
'
__
that are strongest in the ghter—mOS"c
"
»
_
_
'
the choice of the femaleS,
bnlhant
_
,
'coloration, are the ones mas;tællikdy ÎÔ' 'h3VÇ progeny
"Ÿ";
' _
_
_
pass on— their »‘characteriäiCäïd their
f
,
thisprocess is at
shes,
we have _no
‘