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which muft be placed about the middle of the 
oven. If it is too hot, the feather will have a motion 
and be bent : we muft therefore wait a while, and put 
in another feather, till we obferve there is no motion or 
bending ; then upon taking it out, and bending it with 
our finger, if it breaks, the, oven is ftiii too hot, and 
we muft wait till feathers that have been in for a few 
minutes will bend without breaking. When the oven is 
thus fit, the birds muft be put in, and the door of the 
oven clofed, till it is quite cooled. The birds in this 
manner will be perfedly preferved ; but as there ftill re- 
mains fome oily matter in the feathers, the moths and 
other in feds will depofit their eggs and generate their 
young in the plumage, if the birds are not carefully 
cafed up. The cafes muft be firft well wafhed on 
the infide with the following camphorated fpirits, 
viz. Take one pound of camphor and boil it in half 
a gallon of fpirit of turpentine till well difloivedj and 
while hot, wafh all the inlide of the cafes by means 
of a brufb, and, as foon as dry, place your birds in, 
and clofe it up, and guard the joints of the doors or 
feams with paper or putty. N. B. Though the room, 
in which the cafes of birds, &c. are kept, cannot be 
too dry, the fun fhould not be permitted to fhine in, 
as it will certainly difcharge the finer colours of the 
plumage. 
Baking is not only ufeful in frefh prefervations, 
but will alfo be of very great* fervice to old ones, 
deftroying the eggs of infeds ; and it fhould be a 
conftant pradice once in two or three years, to bake 
them over again, and to have the cafes frefh wafhed, 
as above, which would not only preferve colledions 
from decay much longer, but alfo keep them fweet. 
