USEFUL PROJECTS. 
be obtained elsewhere ; and, indeed, 
fresh stores, in any case, will be 
found desireable. 
The contents of this pend in carp 
and tench, or the greatest part, 
should be taken out annually in 
September or October, counted in 
braces, and such as are from five 
to seven inches long put into No. 4. 
The contents of No. 4, when 
grown one year, from the length of 
five or seven inches, must be put 
into No. 3. The contents of No. 3 
having grown one year, from No. 4, 
must be remoyed into No. 2. And, 
in like manner, the contents of 
No. 2, after one year, must be re- 
moved into No. 1, which is to, con- 
tain only such fish as are fit for the 
table. It is obvious that this pond, 
for safety and convenience, should 
be nearest the house. 
As No. 5 is to be the largest 
water, so No. 1 is to be the least ; 
the rest of sizes between the two. 
The shape of No. 1 should be 
eblong, for the convenience of the 
net, and the less disturbance of the 
fish, in taking out what are wanted 
from time-to time. 
A book should be kept to insert 
‘the number and size of each kind 
in every pond, and more particu- 
Jarly the number and weight of those 
taken out of No. 1, by which you 
will always kuow the stock fit for 
use. \ 
If the nature of the ground will 
allow it, it would be proper that 
those ponds should be ina sequence, 
one above another. By this method 
all the five ponds could be drawn, 
with the loss only of the water from 
the uppermost, No. 1. 
Carp are fit for the table from 
' three to seven pounds each. Tench 
from one pound and a half to three 
pounds each, Perch from three 
847 
quarters of a pound to one or twa 
pounds, 
lt is supposed that none of the 
ponds have a current very cold, 
acrid, or innutritious water. 
One acre of water upon a loam, 
clay, or marle, with a mixture of 
gravel, has been stated to be capable 
of supporting 2000 pounds weight 
of fish, the number of the fish mak- 
ing that weight, being immaterial. 
Carp and tench breed most freely 
in ponds or ‘pits newly made. 
Tench, likewise, in almost any 
ponds were cattle are admitted. 
This is a hint, that the mud should 
not remain in a pond too long with- 
out being taken out. <A great 
quantity may readily be drawn out 
from the sides, by having a pole 
twelve or fifteen feet long, with a 
piece of iron fixed to it, eighteen 
inches wide and six broad, in the 
same manner as mud is drawn to the 
sides of a road. 
If a pond be five feet deep, and 
mud is suffered to accumulate to 
the depth of one foot, the fish are 
deprived of one fifth part of the 
water. 
It is evident, that perch and pike 
shonld not by any means be admit- 
ted into No. 5, but in all the other 
numbers ; besides their intrinsic 
value, they are of important ser- 
vice, provided that they are stri¢tly 
confined to a size greatly subordi- 
nate to that of the carp or tench. 
For they destroy not only the acci- 
dental fish which breed, but alse 
several animals, whose food is the 
same with that of carp and tench, as 
frogs, newts, &c. 
Pike, above the weight of one 
or two pounds, must not be ad- 
mitted even amongst carp of the 
largest size and weight ; and as they 
are of so yoracious a nature, it is 
more 
