REGULATION ”OF FORM
87
’
segment has these budS.
The reason Whv theyrdo notjàll
develop is, that the movements of the sh do not affect àll
partspf the body eqùally, thatis; if‘Ïfhe movements area”:
rap1dr‘oi'
and
'
«that, '
themuscle buds.are
'
’
.äêäîêSt fm0‘fémem» 111
ns '“% 7’ /
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z
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,
'fï‘
_
r
.
,
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+
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,
radia1s (“r) Within màr‘giri- -ôfîb‘Qdy{(mb)ëäg‘zàêîS9ëè‘tîm®ementÿîŒlaë _ ,
sh) ; radiàls beyond
and Argentina); “radiale pressedï
«
vs., vertebral spinès ; fr.”, n-'rays… 4.’
'
radiale well beyond margin of body and tri—segmented;
fi—
rays ; wc., vertebral column.
(4, from Bridge, after Mivart.)
.Ç0ncentmted at denite spots, the zones of comparatiVe
fest, as in the Sharks and Dog—shes, _Whilst in the-_ SloW'
moving 5.0er wiiggling, forms
Ÿ the; ns = are more “evenly
distributedalong the margins of the
Ïr'fËa‘_;ÿ
’
,
show …hoW
,
ns variesaceording to ; the movements; of thebody
"
.,
VVherethese ate
…e;s
Sharks,therad1alsor
,
welloutmtothe ; .
Jtth
fthEl