C 2205. N ei 
ahd of the flatted water Snail, and the 
mufcles of the river Vecht. Alfo a remark- 
able obfervation on the common Snail 73 
The common water Snail _ ib. 
‘The wonderful viviparous cryftalline Snail 75 
Of that fpecies of the Sea Snail, called by the 
Hollanders Aliekruyk 80 
Of the {mall water Turbo 82 
Of the umbilicated marble Snail 83 
The flatted Snail ib, 
The fmall flatted Snail 84 
Of the frefh water Mufcles, found in the rivers 
in Holland ib. 
The method of cutting various images in fhells 
: 86 
A Letter from the author to the mot 
iluftrious Mr. Thevenot, on the anatomy 
of the Cancellus or Bernard L’Hermite 86 
The external parts of the Cancellus or Hermit 
8 
The internal parts 89 
" THE SECOND ORDER. 
Of the natural changes, or flow accretions in 
the limbs and parts of infects 92 
A Catalogue of the infects, which are. referred 
to the fecond order of natural changes ; called 
the Nymph-Vermicle 
An example of the fecond order of natural 
changes, which I call the Nymph-Vermicle, 
in the Dragon-Fly 97 
Of the Nymph-Vermicles of the Dragon- 
Fly | 99 
Of the flying water Scorpions, which belong 
to our fecond order 101 
The external parts ib. 
The internal parts 102 
The natural hiftory of the infect called the 
Hemerobios, Ephemerus, Diaria, or Day- 
Fly, extracted from J. Swammerdam’s ac- 
count of it, formerly printedin Dutch, under 
the title of the life of the Ephemerus 103 
1 BE OHIFARPRE 
The Ephemerus is produced from an egg ib, 
CAMA: Poet one | 
little 
The egg of the Ephemerus produces a 
Worm with fix legs, called the bank-bait by 
fifhermen uN ft 
CH, Aer Aue ¥, 
Of the life of the Vermicle or Worm of the 
Ephemerus, when out of the egg, and of its 
food 105 
CH OAR. aIV. ! 
How long the Vermicle or Worm of: the 
Ephemerus is winged, why it is called the 
efca or bait; and how long it lives 106 
C H Any UV. 
Defcribes the external parts of the efca or bait, 
its colour, and the difference in its manners 
. and difpofition 107 
C BH ASRS: 
The anatomy of the internal parts of the Ephe- 
merus . / Io 
Oy A-Pyinly ik 
The figns by which. to difcover, whether the 
Ephemerus is to fly in a fhort time ; as alfo 
104 | 
ERS ING 0 ASP Uv: 
what may prevent it, and to what order of 
natural changes it belongs 133 
CHAP. VIIL 
How and in what a wonderful manner the 
Worm is tranformed into an Ephemerus ib. 
ORS Ear Coes D4 
How long the Ephemerus lives, and what 
haftens its death 117 
GP AeP: PX; 
That the Ephemerus kind flies three days, and 
fometimes four: certain other fpecies are 
alfo def{cribed 118 
THE THIRD ORDER. 
Of the natural changes or flow accretions of 
the parts of infects 1i9 
A catalogue of the infects which belong to the 
third order of natural changes, called the 
Nymph 121 
The third order or clafs of natural changes, 
according to the firft fpecies or method, 
which we have called fimply the Nymph, 
exemplified in the Ant 126 
Of certain other kinds of Ants, fome of which 
fpin like Silkworms 130 
A very curious hiftory-of the Rhinoceros or 
horned Beetle, illuftrated with accurate 
figures 131 
CH APL 
Of the places wherein thefe Beetles live, of 
their generation, eggs, Worms, and food ; 
how long they are feeding; with various 
other uncommon incidents. 132 
C ohh Al Pasi ad: 
The name of the Worm out of which the 
RhinocerosBeetle is produced, alfo its external 
parts, difpofition, and motions ; that it loves 
heat, and that it caftsa fkin, with other inci- 
dents tending to illuftrate this fubject 9 134. 
CORA? | aide 
The anatomy of the Coffus. The manner in 
which .it is to be killed. Its blood, heart, 
fat, pulmonary tubes, throat, ftomach, fpinal 
matrow, and the nervus recurrens. Whether 
the Coflus is eatable. How it may be fea- 
foned. or preferved, with fome uncommon 
obfervations 136 
CHAP. ATV: 
The mariner wherein the Worm is changed: 
how its inward parts are transformed in their 
increafe and growth, and the wonderful 
metamorphofis of the’ Worm into a Nymph. 
. . Alfo the method whereby the points of ref- 
piration, or breathing holes, are tranfpofed : 
' ‘to which are'added, many uncommon obfer- 
yations Fas ie 139 
CHAP. V. 
“Inwhat manner the Nymph is filled with a 
fuperfluous moifture, which afterwards eva- 
porates. The anatomy of the Nymph. How, 
on cafting off its fkin, it becomes a Beetle; 
with fome wonderful difcoveries in natural 
hiftory 144 
Crack = Vip 
The difference between the male and femalc 
Rhinoceros Beetle, after the Nymph cafis its 
Kin, 
