Observ. 44.  Of the tufted Gnat.

Several Observables about Insects, and a more particular description the parts of this Gnat.

Ob. 45.  Of the great belly’d Gnat.

A short description of it.

Obser. 46.  Of a white Moth.

A description of the feathers and wings of this, and several other Insects.  Divers Considerations about the wings, and the flying of Insects and Birds.

Obs. 47.  Of the Shepherd Spider.

A description of its Eyes:  and the sockets of its long legs:  and a Conjecture of the mechanical reason of its fabrick; together with a supposition, that ’tis not unlikely, but Spiders may have the make of their inward parts exactly like a Crab, which may be call’d a water Spider.

Obser. 48.  Of the hunting Spider.

A short description of it; to which is annext an excellent History of it, made by Mr. Evelyn_.  Some further Observations on other Spiders, and their Webs, together with an examination of a white Substance flying up and down in the Air after a Fog._

Obser. 49.  Of an Ant.

That all small Bodies, both Vegetable and Animal, do quickly dry and wither.  The best remedy I found to hinder it, and to make the Animal lye still to be observ’d.  Several particulars related of the actions of this Creature and a short description of its parts.

Obs. 50.  Of the wandring Mite.

A description of this Creature, and of another very small one, which usually bore it company.  A Conjecture at the original of Mites.

Observ. 51.  Of a Crab-like Insect.

A brief description of it.

Observ. 52.  Of a Book-worm.

A description of it; where by the way is inserted a digression, experimentally explicating the Phaenomena_ of Pearl.  A consideration of its digestive faculty._

Observ. 53.  Of a Flea.

A short description of it.

Observ. 54.  Of a Louse.

A description of its parts, and some notable circumstances.

Observ. 55.  Of Mites.

The exceeding smalness of some Mites, and their Eggs.  A description of the Mites of Cheese:  and an intimation of the variety of forms in other Mites, with a Conjecture at the reason.

Ob. 56.  Of small Vine-Mites.

A description of them; a ghess at their original; their exceeding smalness compar’d with that of a Wood-louse, from which they may be suppos’d to come.

Observ. 57.  Of Vinegar-worms.

A description of them, with some considerations on their motions.

Obs. 58.  Of the Inflexion of the Rays of Light in the Air.