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;_;CHAPTER 111
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MIGRATION OF -FISHES
THEterm “' migration—5 ”f is frequently employed to express
three different kinds of movements.“ In the early stages of
;1ijfe the eggs and fry may be
,
carried by the cürrents :sqme
from the place where: they
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less driftis _at rst
but
to make their way in
currentè of£fëinain
'stationary. Then=the young
adults spend
-
m0st of their time seeking,foodv;theÿ,scàtter'aboüt within
their à‘1‘ea ; — but good feeding
CUrrents
'
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rich
br1ngmanytogether1na concentraa‘
,
,
tion
be
_
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the part of the
'
,
—:the._true migration is something very.
'
,
different frèmê‘=the drift and wanderings. Here the sh
' _ , is_ urged to leave its ordinary hunting grounds and
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;St‘op ,;feeding, in -orderto undertakesomeümeslongand
—
perouswumess Thecallof thebloodadeeperneœsætÿ
Â
commmtoallh‘g—thmgstakesp@ssessmofthesh
'
, andthethousandsadmhos111kecaseifÔfgähèf Year
{ ofgreat1mportaneebothmthepastandmthePrésent; :. _» .É
_
'ÎÏÏ Mostof the
sheries arc; 5bàs‘e_d fon-'
m1gratmnsofshesand atthe
'Can—‘Qbservè ?
ï: : ï>, howshmgpopulaüons
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thÇjNew EnglandersÏ WOÙIdThârdîÿ-f—
,,
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hafësîïîpS-î'they eiieduhtefèdin' the f"
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years off, {their endeaveursta settlç.iù- America; but for '
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