¢ 
ix Na Do Eve so 
Immediately on quitting the Nymph-ftate, fhed fome 
drops of blood. 39 
As foon as they arrive at maturity, betake themfelves 
to the bufinefs of generation, and moft of them die as 
foon as it is finifhed. 18 
Some of them fcarce outlive it a quarter of an hour. 2d. 
Some of them do not copulate. 133 
Some of them make themfelves nets of filaments that 
grow hard under water. 66. P. II. 102 
Many grow ftiff in winter time, and pafs that feafon 
without any nourifhment. 172 
And lofe all motion by the cold condenfing their 
humours Pe Lee nan 
In how many different ways they furvive that feafon. 133 
Some that outlive it, become ftiff, but recover their loft 
motion by being juft warmed. 133 134 
Some of them live the winter in a warm ftate, and 
in what manner. 134 
Others in the Nymph-ftate, and in what manner. 7d. 
On what account, and in what manner they are every 
where fo fpeedily engendered in water. 9 
In what manner they prefently get into the fmalleft 
collections of that element. 103 
Why thofe of the fame kind are found every where of 
the fame fize. 128 
Some of them may be killed for diffection, by the fumes 
of burning brimftone. 52 
Method of preferving them, without impairing their 
colours. 
The author has three thoufand of them in his mufeum, 
of his own gathering. 2.29 
All fpecies of infeéts in all their changes agree uni- 
verfally together, as to the Nymph-flate. 17 
‘Their different ways of feeding. 142, 
Of rearing their offspring. 1225 1335 134 
Difference in their ftings and probofcis. 122, 156 
In their length of life, and the reafons of the faid 
divference. 229 P. II. 4 
The numerous collection of them made by the au- 
thor. 134 
The males only are furnifhed with organs proper for 
making a noife. 217 
And are always more beautiful than the female. P. I. 
IOI 
Privileges of fome of the males above Gene ina 
Their generation no way different from that of blood 
animals. P. Il. 104. 
It is even fo confpicuous, that it may ferve to illuftrate 
‘that of other animals. I 
‘The fortuitous generation of infects exploded. 13 
"Their generation from Nymphs, compared with the egg 
and generation of Frogs, and the encreafe of plants. 19 
Their mutation refembles the budding of plants. 9, 10 
Prepofteroufly called transformation, metamorphofis, 
death and refurrection. 9. 13 
Does not differ from the accretion of limbs in blood 
animals P 
_ How far it differs from the refurrection of the dead, 
and what it has in common with it. , tb. 
The true foundation of the change. 2, 13 
MUSCLES of infects, their ftructure like that of blood 
animals. ‘ 123 
‘Their condition, before they have exercifed any of 
their offices. 129 
Their condition when firft they move. 2b. 130 
EGGS of infeéts, what a great variety of them. P. II. 39 
All belong to the third order of mutations. sa aoe ce ¢ 
Ought rather to be called oviform Nymphs. 18 
Covered with a hard fhell. ©. ” 133 
Manner of procuring them. 2b. 
BONES of infeéts, how much they differ from thofe of 
blood animals 123 
How it appears that the parts of infects taken for their 
eyes, are really fuch. ; 216 
Internal parts of infe€ts changed, along with their ex- 
ternal form. P. iI. 22 
Their vifion, how performed ; differs from ours, and is 
performed by the touch. 216 
Infeéts of the firft order of natural changes, why 
called Nymphs by the author, while they remain in 
their eggs. 19 
wiry 
Some infects belonging to this order are viviparous. .28 
Enumeration of thofe of the fecond order. 93 
How far thofe of the fecond order differ from thote 
of other orders. 
2 
Enumeration of thofe of the third order. e ae 
The infects of this order pafs twice through the 
Nymph-frate. ibe 
Things peculiar to the fecond mode of this or- 
der...4P.» IE. 
+: 
Enumeration of thofe of the fourth order. P. II. 33, 
and following. 
See Order. 
Infects that pafs through the Nymph-ftate may be di- 
vided into infe&ts without legs, fix legged infects, and 
infects with many legs. 
Infeé& without legs, how it becomes a Nymph by a kind 
of accretion. 9 
Its Nymph and Chryfalis, what? ib. 
The thorax of thefe infects undergoes no change or 
tranfpofition. 
Infect with fix legs, how it changes toa Nymph. 10 
Infects with many legs, never fuffer any confiderable 
alteration in the fix fore legs. 8 
Water infects, various methods of finding them out, 
and obferving them. 40 
‘Their various tubes. P. II. 102 
Infeéts bred in or upon plants, are not generated by its 
vegetable foul or principle. P. IL 79, 80 
In what manner generated by eggs. P. II. 80 
Infects found in the tubercles of the black Poplar, be- 
long to the fecond order of changes. 95 
And thofe found in the tubercles of the Willow t 
the fecond. 2b 
Enumeration of different kinds of them. P. II. 82, 83, 
te 5 749 to 743 
Infeéts called Vaginipennia, what they are. 135 
INTESTINES, the water, of Aldrovandus .are the 
Worms of the Gad-Fly. P. IL. 345 35 
The earth inteftines belong to the firft order of muta- 
tions. 27 
Have red blood. 53, 169 
Their eggs fhew the circulation of the blood. 133 
Their fituation in the egg. ib. 
Variety, figure, colour, and hatching of the eggs, 
and where found. ibe 
Inteftines thick and flender, differ but little in the 
embryo ftate. P. II, 118 
K 
JC ASEERLAK, an Indian infe@t, referred to the fecond 
order of changes 95 - 
L 
L FACE referred to the firft order of changes 28 
LIBELLA, or DRAGON FLY, fpecies of it pre- 
ferved by the Author 93 
The river Libella of Rondeletius, what? 100 
LIVER, its office of fanguification, defended againft Bar- 
tholinus iP 
The Author afferts that fanguificaton ought only to be 
afcribed to the liver. P. II. 1175 119, 120 
LOCUSTS, belong to the fecond order of changes 94 
Different fpecies of them defcribed ~ 945 95 
The wonderful ftru€ture of the mufcles of their legs 123 
Briftly hairs helpful in the changing of their fkins. 135 
Manner of fupporting themfelves tb. 
The manner of their making a noife 217 
Various fpecies of them. 93> 945 95 
LONG-LEGGS, belong to.the third order of chan- 
ges 123 
Another fpecies ib. 
LOUSE, COMMON, belongs to the firft order of chan- 
es. 25 
Why fo fuddenly changed ; ib. 
How it appears viewed with the microfcope. ibe 
It refpires. port 
In what manner it fucks in the blood 34. 35 
Perhaps Hermaphrodites 4 e 
Loufe, what its nitis, and how the nit is hatched. 25 
Its fex; 3 
s fex The 
