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ATHEg-jfB‘I-QLOGY ‘OF‘FISHES'
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ibôny:;àttà“chïähtÿtüthe pectoralarchi "They include such, ’.:
gtoùï>sÏas,Oth—eŸone hand, ‘thePipe+shes (Syngnathifermes),
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î-,
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Ple‘e‘cogna'th‘i:,ïandScombresoeifofmes; on the other,
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Gadîfortnes (Anacanthini), Atheriniformes, and Anabanti—
,
formes.
From these forms we can derive the
main "
:
groups “of the morespecialised Teleosts, the Blennies and
Weevers (Trachinoidea), Which live mainly on the bottom,
with pelagie oshoots into deeper waters, the Mackerels"
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,
“Tunnïes (Sœibroîdea), ' Which are
,
roving, ,pelagie ' _
,
f0f15, “the
(Percôidèa), Which 0ccupÿ the: middle
_,
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waters _Of“the littoral,zone and"ascend into fresh water, andf
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less eccentrio offshoOts Of these groups-‘]
,
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Which have
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descended to ,the bottom
…
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er hahg about
rocks'
a‘hd
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Labr01ds) :‘_O,l‘ÿhàVeÏ Wà’dered_;oüt td the deep—sea
Thedenvatmn
fdfrsffr0m the“ Clupeoids and fror '
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another1sstlllamatterof1nvest1gatwn
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…
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'iOUr reading of the"distribuon Of
even of their,
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theViewswe hold;With -ïegard to the ;
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Chäng'es on
duringïÿàst
'anÿ .ônef téld' us, for'eXaiple, that sheS Came from
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ê—fcoï Northern =Eur0pcà
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-lthatgreatchangeshaveeccurredmthefaœ0fthe globe,
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}Èïi' Ï n0t0ncebutseveraïümesand2001@glsœhaœ had a great _ .
thesamemnearlyrelatedfermsarefôund'in North Amerîcä=
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andEumpeor1nEur0peEastAfr1ea and Australia as Welli af
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à‘ss—ÎnÏdiaa por;again"'ihÏäSoùthgï-Ameœ‘, 'A£rica,_and
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not —t0î -c0hclude, either} ÏÎ;ÇÎ?;
thatsomeone had carrledthem £ro_màone placé,
orthatthelandshadformeybeenconnected