( ) 
and m ftrinp, and perhaps this is the reafon why ho 
Infers will take any food, when they are going to 
change rhdr forms ^ And if they do not clean(e thenK 
fclves, 3S thQ Lihell as do^ yet they ftay a great whiie 
longer before they change, without any ailments 5, the 
Lihelht is no longer than half a day in quitting its 
Cafe, and taking its flight. . It is wonderful ho-*v^ it 
rends and cuts the air, making a thoufand whiriings 
with Its extraordinary quicknefs 5 for to know the 
Caufe, we muft cut the Skin of the LibelU ( which is 
very fine) all along the back, and be fure to bear the 
point of the Scizzars upwards, left we cut the interiour 
parts. We muft alio draw the Skin to the right and 
left hand, and fix it with Pins upon a Table, that we 
may difcover the 16 Mufcles which lye between the 
Wings and the Legs, 8 of each fide, of the thicknefs, 
length, colour, and almoft figure or (liape of a grain 
of Barley, contiguous to one another, and without ad- 
lierence. We may obferve that each Mufcle is com- 
pofed of many flefliy Fibres, which do not feem to be 
joyned together, but terminate round at the ends of 
,the Mufde where they compofe a common Tendon, 
To that one might diicern any of thefe Fibres robe a 
'tinal I Mufcle, of which the chief is compofed. And 
if we are not already (atisfied that the Mufeles of Men 
are compofed of very many other Mufcles, this mi- 
nute ftrufture may be fufficient to excite us to enquire 
-into the rriith of tliat matter., . ..j - 
The , life of tliefe 'Riufclesfeem to me very particular, 
for the fame Mufcles vrhich tiutter the WingsXerve alfo 
to ftir the Legs 5 The upper Tendons of the Mufcles 
enter into the Wings, I believe the fam.e which the Fi- 
bres compofe, and the lower enter a good v/ay into 
the Legs, yet the contrary motions of thefe Organs are 
not at all hindred ^ for as long as the Wings play, the 
Feet lye dill and fervefor a prop to the Mufcles which 
N n n n n ' ftir 
