l
.
‘
.
"
‘
‘
',
°
,
'ON mans, INSECTS AND FRESH—WATER‘FISHES.
3
-_
(Aptery‘æ) will require protection to retain them.‘ In a few
instances, as in the penguins, remote haunts, active aqua-tic
habits and great boldness have aided the species in warding off
destruction and placed them in a different categOry. The
_
agency of man quickly diminishes many of the larger birds of
ight, and this'notwithstandin g legislative protection.
_
Without
the latter where would our Wild Swans, geese and ducks have
-
.
been ? Where_the capercaillie, black—cook, grouse, pheasant and
‘
_
partridge? The same lessOn is learned when We contrast the
_
'
former condition of the rock with the present one of modied
—
protection.
A few‘birds, as the sparrow, cushat and passenger—
'
pigeon, appear to be exceptions under certain conditions; but
"
’
these in the former case are due to the cOmplications of —civilized
_
_
life itself, and in the latter often depend on immigration, and \
.
thus are seldom alt0gether
inuence.
_
'
The air, however, differs_ from the land not only in its vast—
'
ness,hut in the fact that certain of its inhabitants, e.g._-t‘he
_'
insects, seem to defy man’s power and ingenuity in limitîng their
_.
_
’ _
numbers.
Thus, is the house—y less ahundant now than -'in
the days of the ancient EgyptianS? Do the hordes of “locusts,
,
‘
gnats, Hessian ics, mosqùitoes, or other forms show marked
:: ,“
diminution?
Yet in all these instances the eggs are deposited
_
on or near the surface of the earth and within man’s reach. .“
Ï
Even where elaborate
are
taken to ehcompass
'
'
déstrücti0n of ainoxious form,
the vine—parasite, Phylloæe7‘a,
__
fÏ
,
'
on plants under man’s immediate care, how difcult is it, with
_
-
*
,
resources of modern chemistry, to attain Success. The
‘
'
to the larger insects, such as wasps, the nests. of
)
’
'Whichareeasy reached.
-.
"
'
From age to age these denizensof the air have kept their
,
__É_
gr0und against all the forces man could bring against
à ;{L,
yet they would have required aërial eggs
to have placed
,
_
thémèonïa
to most of the food—shes of ou1
waters.
”
_
'
'
_-_
_-franed for the protection.u_o‘fthegmme
,
…
va1uab1e»shes ,— of, the
_
fresh, Waters =, «Of; qui: counmyæesuâ
.
‘
.
"
‘
‘
',
°
,
'ON mans, INSECTS AND FRESH—WATER‘FISHES.
3
-_
(Aptery‘æ) will require protection to retain them.‘ In a few
instances, as in the penguins, remote haunts, active aqua-tic
habits and great boldness have aided the species in warding off
destruction and placed them in a different categOry. The
_
agency of man quickly diminishes many of the larger birds of
ight, and this'notwithstandin g legislative protection.
_
Without
the latter where would our Wild Swans, geese and ducks have
-
.
been ? Where_the capercaillie, black—cook, grouse, pheasant and
‘
_
partridge? The same lessOn is learned when We contrast the
_
'
former condition of the rock with the present one of modied
—
protection.
A few‘birds, as the sparrow, cushat and passenger—
'
pigeon, appear to be exceptions under certain conditions; but
"
’
these in the former case are due to the cOmplications of —civilized
_
_
life itself, and in the latter often depend on immigration, and \
.
thus are seldom alt0gether
inuence.
_
'
The air, however, differs_ from the land not only in its vast—
'
ness,hut in the fact that certain of its inhabitants, e.g._-t‘he
_'
insects, seem to defy man’s power and ingenuity in limitîng their
_.
_
’ _
numbers.
Thus, is the house—y less ahundant now than -'in
the days of the ancient EgyptianS? Do the hordes of “locusts,
,
‘
gnats, Hessian ics, mosqùitoes, or other forms show marked
:: ,“
diminution?
Yet in all these instances the eggs are deposited
_
on or near the surface of the earth and within man’s reach. .“
Ï
Even where elaborate
are
taken to ehcompass
'
'
déstrücti0n of ainoxious form,
the vine—parasite, Phylloæe7‘a,
__
fÏ
,
'
on plants under man’s immediate care, how difcult is it, with
_
-
*
,
resources of modern chemistry, to attain Success. The
‘
'
to the larger insects, such as wasps, the nests. of
)
’
'Whichareeasy reached.
-.
"
'
From age to age these denizensof the air have kept their
,
__É_
gr0und against all the forces man could bring against
à ;{L,
yet they would have required aërial eggs
to have placed
,
_
thémèonïa
to most of the food—shes of ou1
waters.
”
_
'
'
_-_
_-franed for the protection.u_o‘fthegmme
,
…
va1uab1e»shes ,— of, the
_
fresh, Waters =, «Of; qui: counmyæesuâ