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A catalogue of the infeéts, which are referred to the Jecond method of the third 
order or clafs of natural changes, called the Chry/alis. 
Now proceed to defcribe thofe infects 
which belong to the third order, as the 
preceding; but which prefent their feveral 
parts lefs confpicuoufly. For this reafon, 
J judged that the prefent order of tran{muta- 
tions might be properly divided into two kinds 
or modes; though the one of them differ from 
the other only, as the fchoolmen fay, by acci- 
dent. 
Among thofe infects, which pafs through the 
fecond method of the third order or clafs of 
transformations, and by force of the increafing 
and {welling limbs, and other parts, by which 
the fkin is at length torn or burft open, affume 
the form of a Chryfalis, which exhibits to view 
all its parts, though more obfcurely than they 
are feen in the Nymph; I reckon, in the firft 
place, the diurnal or day Butterflies *, which 
are called Ulinders and Pennevogels by the 
Hollanders; and are diftinguifhed alfo by two 
or three peculiar names of Albuli (Witkens), 
Papiliones Butyracei (Botercapellen), and Cer- 
donus (Schoenlappers). 
Of thefe diurnal or day Flies, fome are heavy 
and flow, others lively and {wift; fo that they. 
cut the air, and move various ways. I pre- 
ferve in my collection eighty-five {pecies of 
thofe; among which, there are thirty-four 
foreign ones from Africa, America, Brafil, 
Spain, France, and elfewhere. 
Among the day Butterflies beforementioned, 
there are twenty-two very large ones, thirty- 
three middle-fized ones, and thirty very fmall: 
I preferve alfo fome of their Worms or Ca- 
terpillars, feveral of their Chryfallides, and fome 
of their Worms, which are partly Caterpillars, 
and partly Chryfallides. I can demonftrate, in 
the ftate of nature, in what manner the Butter- 
flies are placed within their laft fkin ; in which, 
when enclofed, we call them Chryfallides; and 
their parts, though {till very minute, may be 
yet diftinguifhed by their refpective colours. 
Ican fhew how their wings begin to grow 
protuberant, after cafting this fkin. I likewife 
preferve feparate the claws, inteftines, fto- 
mach, and trunk of the Butterflies. I can 
likewife exhibit to the eye after what manner 
all the colours of the future Butterfly are feen 
through this fkin, when the Butterfly is about 
to caft it, this being its laft fkin. I can alfo 
demonftrate all the parts of the Butterfly al- 
ready in the Caterpillar. I pafs over the men- 
tion of a great many other things worth ob- 
ferving, which I preferve, on this fubje@, there 
being now no time to enumerate them at 
large. 
On a proper occafion, I fhall explain the 
method by which Butterflies, with their wings 
at large, may be expreffed and formed, in all 
their beauty, in plaifter of Paris, without any 
colours. This I think an important piece of 
art, and it has not yet been defcribed by any 
one that I know. I fhall at the fame time 
fhew how Caterpillars may be filled with 
fuet, with plaifter of Paris, with air, and the 
like, and by this means be preferved. This 
is effected in none more conveniently than in 
the rough and hairy Caterpillars, the colours 
of which are permanent, as I can exhibit to 
the eye by feveral fpecimens. 
* The Flies produced from Caterpillars are of two kinds, diftinguifhed by the time of their flying abroad, and the form of their 
antenne, or horns, ‘They are called diurnal and nodturnal Butterflies, or more diitintly Butterflies and Moths. The Butterflies 
appear by day; and they have naked horns, terminated by knobs or buttons. ‘The Moths fly only in the nicht, and their horns 
are feathery, and have no buttons at the end. ‘The Fly reprefented Tab. XXXIII. Fig. vr. is a Moth, that Tab. XXXY, Fig. x11. 
is a Butterfly. 
A ? I thal] 
