_REVIEW OF TRAWL1NG REPORT or 1884. :
35
own exertions, from their enemies.
If
larvæ are plaoed”!if
the sea close to a rocky beach or stretch of tidal sand or gravel,
'
it- is possible that many would be stranded by the tide. '
Therefore, though the observation that the young plaice (with
,
eyes now on the right side) ab0und in spring in the shallow
rock—pools and elsewherè is perfectiy correct, it is no argument
,
_
for placing the larval shes in their neighbourhood, when ina
truly pelagic Condition. In the same way the spawning _ling
__
are found far from the inshoœ waters, their minute éggs bem'g
hat0hed in the
ocean, and the young stages passed'long
before reaching the margin of low water. The ling has not—,.
indeed, been found in inshore waters till it reaches
3 inches (3%) in length, and then in very limited numbers. It
-
is more frequently secured when from 6 to 8 inches in
-ÎÂ
at
low water at the margins of the rocks. As it gets
larger it“ seeks the offshore, and thus, as in the plaice, there is a
double migration—the wafting of the eggs, larval and
,
shes shorewards, and the return of the adolescent and the
_
larger forms seawards. A similar life—history appears to be
present “in many of the food—shes—aÿ., the turbot, trill;àhd
halibut, thoughin the case of the dab, long—rough dab,
"
.js0me others, there are marked exceptions, as pointed out in
,
Trawling Report. Thus, ‘the large proportion of immature … 7
_
Jd'abs found 15 miles off St Abb’s Head is interesting, and"
shÔWs that such are not conned to shallow bays like that Of
'St,“Adrews. Moreover, the occurrence of relatively small
i “ _
atthis‘ and even greater distances from land Would
_
raise a doubt as to Whether all such young forms have—been
reared on a sandy beach
Since the foregoing was,
Written, opportunities, by aid of the
‘ Garland,’ for using the
'
special trawl=like tow—net and the mid—water net near and at
the bottom :"on the grounds 15 to 20 miles south-east of the
'
Island of May, have been a‘orded, and great numbers
pôStÿ‘la—rvahîand young dabs, long—r0ugh dabs, and other fernis_
"have been Obtai1ïed, thus conrming— the Opinion formey
expressed,
7 Moreov<är, the traWling '—W0rk»of the ‘Ga11and ’ on
its various stations from the MœyFthtotheFmthbeæsout
35
own exertions, from their enemies.
If
larvæ are plaoed”!if
the sea close to a rocky beach or stretch of tidal sand or gravel,
'
it- is possible that many would be stranded by the tide. '
Therefore, though the observation that the young plaice (with
,
eyes now on the right side) ab0und in spring in the shallow
rock—pools and elsewherè is perfectiy correct, it is no argument
,
_
for placing the larval shes in their neighbourhood, when ina
truly pelagic Condition. In the same way the spawning _ling
__
are found far from the inshoœ waters, their minute éggs bem'g
hat0hed in the
ocean, and the young stages passed'long
before reaching the margin of low water. The ling has not—,.
indeed, been found in inshore waters till it reaches
3 inches (3%) in length, and then in very limited numbers. It
-
is more frequently secured when from 6 to 8 inches in
-ÎÂ
at
low water at the margins of the rocks. As it gets
larger it“ seeks the offshore, and thus, as in the plaice, there is a
double migration—the wafting of the eggs, larval and
,
shes shorewards, and the return of the adolescent and the
_
larger forms seawards. A similar life—history appears to be
present “in many of the food—shes—aÿ., the turbot, trill;àhd
halibut, thoughin the case of the dab, long—rough dab,
"
.js0me others, there are marked exceptions, as pointed out in
,
Trawling Report. Thus, ‘the large proportion of immature … 7
_
Jd'abs found 15 miles off St Abb’s Head is interesting, and"
shÔWs that such are not conned to shallow bays like that Of
'St,“Adrews. Moreover, the occurrence of relatively small
i “ _
atthis‘ and even greater distances from land Would
_
raise a doubt as to Whether all such young forms have—been
reared on a sandy beach
Since the foregoing was,
Written, opportunities, by aid of the
‘ Garland,’ for using the
'
special trawl=like tow—net and the mid—water net near and at
the bottom :"on the grounds 15 to 20 miles south-east of the
'
Island of May, have been a‘orded, and great numbers
pôStÿ‘la—rvahîand young dabs, long—r0ugh dabs, and other fernis_
"have been Obtai1ïed, thus conrming— the Opinion formey
expressed,
7 Moreov<är, the traWling '—W0rk»of the ‘Ga11and ’ on
its various stations from the MœyFthtotheFmthbeæsout