THE MENTAL LIFE OF FISHES
341
(Zostera marina) such as that Which grows inthe native
haunts of the shes, after” some time we may make an
interesting observation. The leaves of the seaweed have
partly risen vertically or obliquely:through the water, and
stand motionless, slowly sway_ing to and fro if the aquarium
be slightly shaken. Among them, motionless or SWaying
With the leaves—, the sl€nder Pipe—shes have chosen-Ï their
positions, and 'We can only just see how' the : gill—covers
expand and contract, or how
perfectly transparent
dorsal n ceaselessly continues its Vibrating and undulating
motion.
The colour of the shës,»often doWn to theimost
'
deliCate shades, is exactly like, that: of the seaWeed. Often
we imagine that We are gazing at a blade of seaweed,=and
only on closer inspection do we discoverthat it is aP1pe—,
sh.
.
.
.
Among the green, stillliving seaweed there lige here“
and there a number of partly or entirely dead leav'es,
all
sh—ades of colour from green
to dirty—brown and
“
black, At these spots the Pipe-shes‘asSumé a dierent .
hue, their colour ' passing .-graclually, according ==to;:gthéir
dierent
surroundings, into“ Ï broWn' =orz;
until, Whether their pOsition,beyertical or horizontal, they
…
are scarcely to be distingüished
dead blade of,sea“,
_
weed” (Smitt).
«
"
'
;?
'
ï
The colour is“,»hoWeVer,:only on‘eîofzthê -‘1’€Sèmbîäîçcsä ;
"
'
Th0se species which »attàch
to
'
the ?! various » kinds? : that;
themî‘fëb’est : ,the; sea—horse
(Hippocar‘npuS) andâPhyllôpteryx prefer F uC‘us,the Warm
_
'
Pipe—sh is
hves
broWn'
’
algæ and among
largeNcr0phis lives over sand
and in—the-Laminarian-Éonê;
the ',Straight-nosedr -P1Pef » '
.
,
sh (N; «ophidion) attaches-‘it‘self‘tofthe -oating seavveedÇ '
l
'
called Gh0rda :'lur‘r1ÿand; the;DéeP=ribsed
'
nO‘storria
.
Behind
4'
‘
‘
:
mnst alWays ;hàœ ; been
anychange
_
-
,
itselfbüt*-dirÏ_ecting3 the
ehîmce
“ments;
15 'Weak ' _ ,
341
(Zostera marina) such as that Which grows inthe native
haunts of the shes, after” some time we may make an
interesting observation. The leaves of the seaweed have
partly risen vertically or obliquely:through the water, and
stand motionless, slowly sway_ing to and fro if the aquarium
be slightly shaken. Among them, motionless or SWaying
With the leaves—, the sl€nder Pipe—shes have chosen-Ï their
positions, and 'We can only just see how' the : gill—covers
expand and contract, or how
perfectly transparent
dorsal n ceaselessly continues its Vibrating and undulating
motion.
The colour of the shës,»often doWn to theimost
'
deliCate shades, is exactly like, that: of the seaWeed. Often
we imagine that We are gazing at a blade of seaweed,=and
only on closer inspection do we discoverthat it is aP1pe—,
sh.
.
.
.
Among the green, stillliving seaweed there lige here“
and there a number of partly or entirely dead leav'es,
all
sh—ades of colour from green
to dirty—brown and
“
black, At these spots the Pipe-shes‘asSumé a dierent .
hue, their colour ' passing .-graclually, according ==to;:gthéir
dierent
surroundings, into“ Ï broWn' =orz;
until, Whether their pOsition,beyertical or horizontal, they
…
are scarcely to be distingüished
dead blade of,sea“,
_
weed” (Smitt).
«
"
'
;?
'
ï
The colour is“,»hoWeVer,:only on‘eîofzthê -‘1’€Sèmbîäîçcsä ;
"
'
Th0se species which »attàch
to
'
the ?! various » kinds? : that;
themî‘fëb’est : ,the; sea—horse
(Hippocar‘npuS) andâPhyllôpteryx prefer F uC‘us,the Warm
_
'
Pipe—sh is
hves
broWn'
’
algæ and among
largeNcr0phis lives over sand
and in—the-Laminarian-Éonê;
the ',Straight-nosedr -P1Pef » '
.
,
sh (N; «ophidion) attaches-‘it‘self‘tofthe -oating seavveedÇ '
l
'
called Gh0rda :'lur‘r1ÿand; the;DéeP=ribsed
'
nO‘storria
.
Behind
4'
‘
‘
:
mnst alWays ;hàœ ; been
anychange
_
-
,
itselfbüt*-dirÏ_ecting3 the
ehîmce
“ments;
15 'Weak ' _ ,