|
Constituent Parts of, elastic. |
33 |
|
Supposed impervious to Air. |
ibid. |
|
Of a Peacock, |
|
|
Structure of describ'd. |
ibid. |
|
Beautiful Colours in, accounted for. |
ibid. |
FERN, |
|
|
|
Branches of, like the Configurations of frozen Urine. |
12 |
|
Suppos'd to have no Seeds, by Dr. Hooke.
|
ibid. |
|
That Supposition found to be a Mistake. |
ibid. |
FLEAS, |
|
|
|
Body of, cover'd with Scales curiously jointed and ex-
quisitely polish'd. |
61 |
|
Necks of, arch'd and jointed much like the Tale of a
Lobster. |
ibid. |
|
Scales of, have each one Row of Bristles like the Quills
of a Porcupine along the Middle of it. |
ibid. |
|
Eyes of, black, encompass'd with a green glittering Iris
like the Eyes of a Cat. |
ibid. |
|
Proboscis of. |
ibid. |
|
Legs of, their curious Structure. |
ibid. |
|
The like not discover'd in any other Animal. |
ibid. |
|
Excellently fitted for its Escape. |
ibid. |
|
Feet of, arm'd with hook'd Claws or Talons. |
ibid. |
|
Eggs of, cemented at the Roots of the Hair. |
62 |
|
Produce a small whitish Worm or Maggot. |
ibid. |
|
Undergo the same Changes with Flies, Butterflies,
Moths, & c.
|
ibid. |
|
Instances of their great Strength and Agility. |
ibid. |
|
Methods of destroying them. |
63 |
|
Driven away by Bugs. |
ibid. |
FLINTS, |
|
|
|
Diamonds or Chrystals sound in the Cavities of. |
8 |
|
Cast Reflections partly from without and partly from
within the Surface. |
ibid. |
|
Too small for any certain Experiments to be made
on. |
ibid. |
FLY, |
|
|
|
Foot of, describ'd. |
34 |
|
Has a Kind of Spunges, by the Means of which it
can adhere to hard and slippery Bodies. |
ibid. |
|
The Spunges thick set at the Bottom with strong
Bristles or Hooks. |
ibid. |
|
Surrounded with soft Hairs |
ibid. |
|
Eye of, |
|
|
Compos'd of many Hemispheres each of which re-
flected the Image of a Window. |
35 |
|
Wing of, |
35, 40 |
|
Compos'd of a thin filmy Substance. |
35 |
|
This Film extended out and strengthen'd by strong
bony Ribs. |
ibid. |
|
Cover'd all over with innumerable small Hairs. |
ibid. |
|
Vibrations in, computed, |
40 |
|
Supposed to be the swiftest Vibrations in Nature. |
ibid. |
|
Horns of, |
38 |
|
Proboscis of, |
ibid. |
|
Smellers or Feelers of, |
39 |
|
Tail of, thick set with strong Bristles. |
ibid. |
|
Blood Vessels in the Intestines of, |
ibid. |
|
Its extreme Agility and Sagacity to be observ'd. |
ibid. |
|
Cannot fly steadily if depriv'd of its Balances. |
40 |
|
G. |
|
GLOBULES, Combinations of, |
|
9 |
|
May produce all the Variety of Figures that can be
suppos'd to be made out of equilateral Triangles. |
ibid. |
|
Instances of them. |
ibid. |
|
May produce the Chrystalization of Salts. |
ibid. |
|
Struck with a Flint and Steel. |
5 |
|
Of Lead and Tin, to make. |
ibid. |
GNAT, |
|
|
|
Lays its Spawn in the Water. |
47 |
|
Produces small reddist Maggots which change to the
Nymphæ Vermiculi. |
ibid. |
|
Nympha Vermiculus, describ'd. |
ibid. |
|
Changes into the Nympha. |
48 |
|
Nympha or Aurelia describ'd. |
ibid. |
|
Turns into the Gnat. |
ibid. |
|
In its perfect State describ'd. |
49 |
|
Male has two fine Tusts of Hair on its Forehead. |
ibid. |
|
Iæ Proboscis contains sour Darts like the Sting of a
Bee. |
ibid. |
|
Wings of, |
50 |
|
Sucks the Blood not out of Anger or Enmity, but to
satisfy its Hunger. |
ibid. |
|
H. |
|
HAIRS, |
|
|
|
Of a Hog, |
6 |
|
Prismatical with round angles. |
ibid. |
|
Without Pores. |
ibid. |
|
Of a Cat, |
|
|
Have a large Pith but no Pores that could be dis-
cover'd. |
ibid. |
|
Of a Horse, |
|
|
Cylindrical and pithy, |
ibid. |
|
Human, almost round. |
ibid. |
|
Solid Cylinders according to Dr. Hooke.
|
ibid. |
|
Hollow, according to Dr. Power.
|
ibid. |
|
Roots of, tapering like a Parsnep. |
ibid. |
|
No Filaments from, like those from the Roots of
Plants to be found. |
ibid. |
|
Vary according to the Parts they are taken from |
7 |
|
Of Animals, tubular according to Malpigbi.
|
6 |
|
Of an Indian Deer, |
7 |
|
Extremely tapering. |
ibid. |
|
To the Eye like a Thread of coarse Canvas newly
unravell'd. |
ibid. |
|
In the Microscope appear'd perforated from Side to
Side like Coral. |
ibid. |
|
Has no Pores longitudinally. |
ibid. |
|
Of a Mouse, |
|
|
Have spiral Lines running from the Bottom to the
Top. |
ibid. |
HUMBLE PLANT, vid. SENSIBLE PLANT. |
|
|
HUNTING SPIDER, vid. SPIDER. |
|
|
HYGROMETER. |
|
|
|
Made of the Beard of the Wild-Oat |
24 |
|
of Cat-gut, twisted Cord, & c.
|
ibid. |
|
of the Beards of the Geranium. |
ibid. |
|
I. |
|
ICE, |
|
|
|
On Water, in many thin Laminæ. |
12 |
|
Laminæ of, sigur'd like Herring Bones or the Branches
of Fern. |
ibid. |
|
Expos'd to freeze on a Marble, exhibited many Fi-
gures like Feathers. |
ibid. |
|
On Urine, vid. Urine. |
|
IMAGES, reflected from the Eye of a Drone |
|
35 |
INSECT, |
|
|
|
Crab-like. |
57 |
|
Hatch'd on a Vine, |
60 |
|
Cover'd with a scaly Husk like the Wood-louse. |
ibid. |
|
Suppos'd by Dr. Hooke to be really young Wood-lice. |
ibid. |
|
Size of, compar'd with that of a full grown Wood-
louse. |
ibid. |
|
K. |
|
KETTERING STONE, |
|
|
|
Compos'd of minute Globular Bodies. |
13 |
|
Appear'd thro' the Microscope like the Ovary or hard
Row of some Fish. |
ibid. |
|
The Globules so firmly united as not to be separated
without breaking. |
ibid. |
|
Each Globule compos'd of two Substances surrounding
each other like the White and Yolk of an Egg. |
ibid. |
|
Harder than Free-stone, but pervious to Air and Water. |
ibid. |
|
L. |
|
LAWN, |
|
2, 22 |
|
Appears thro' the Microscope like a Lattice Window. |
2 |
LEAD, |
|
|
|
Globules of, |
5 |
|
To make. |
ibid. |
|
To be produc'd from red Wafers by burning at a
Candle. |
ibid. |
LEAVES of Plants, |
|
|
|
Most of them cover'd with a Down or Hair. |
22 |
|
Many have sharp Needles on their Surfaces, as the sting-
ing Nettle. |
ibid. |
|
Of Clivers have Hooks like Cats Claws. |
ibid. |