_
=
ADAPTATION
-'
=
'263,
tures, not the modeof life;
It would be difcult in any
case
to connect the life of the adult Eels' in,
Ÿ
the non—development of ventrale in the LeptOcephalus
out 111 the Atlantic.
”
‘V
The structures of the head arise1 under ?c—heinngenÇç of
;}ïree mam factors ‘: the
—
'
of the mouth, and the pressure of {the
.
In some cases
We can‘see' how the nature of the moVementÏs
7
_,
.
"f‘
,
,
'
‘A
-
:;
'
'Ÿ/
.
,
'
'
…
=
"
,
66.—'—Vetral
*Ï
Shark (Sphyma iibur0),_ and (B)
? i”;
"
»
£ÿgaena): c., Clasper ; cl.,—cloacàl apérture;
.
'
—,
(FfomBridge;) '
'L
«_
__
-,
aectstheshapeFor
head is
—
»
fïfff9m81det081de band HkeWise the mouth in the Gadoaenî1
-
 many0therTeleosts But the most:interesting—eîamalêsérlëiîèï fi -
;
youngdonothavethesepecullanüestotîmsameeent1t
-
“1