172Obser. 38.Of the Wings of Flyes.
After what manner and how swiftly
173the wings of Insects move. A
description of the Pendulums under the
174wings, and their motion; the shape
and structure of the parts of the wing.
175Obser. 39.Of the Head of a Fly.
1. All the face of a Drone-fly is nothing
almost but eyes.2. Those are
176of two magnitudes.3. They are
Hemispheres, and very reflective and
smooth.4. Some directed towards every
quarter.5. How the fly cleanses
them.6. Their number.7. Their order:
177divers particulars observ'd in the
178dissecting a head. That these are very
probably the eyes of the Creature; argued
from several Observations and
179Experiments, that Crabs, Lobsters,
Shrimps, seem to be water Insects, and
to be framed much like Air Insects.
180Several Considerations about their
manner of vision.
Obser. 40.Of the Teeth of a Snail.
181A brief description of it.
Observ. 41.Of the Eggs of Silkworms.
182Several Observables about the
Eggs of Insects.
183Observ. 42.Of a blue Fly.
184A description of its outward and
inward parts. Its hardiness to indure
185freezing, and sleeping in Spirit of wine.
Observ. 43.Of a water Insect.
186A description of its shape, transparency,
motion, both internal and progressive,
187and transformation. A History
somewhat Analogus cited out of
188Piso. Several Observations about the
various wayes of the generations of
189Insects: by what means they act so
190seemingly wisely and prudently. Several
191Quæries propounded.Postscript,
192containing a relation of another very
odd way of the generation of Insects.
An Observation about the fertility of
the Earth of our Climate in producing
193Insects, and of divers other wayes of
their generation.
Observ. 44.Of the tufted Gnat.
Several Observables about Insects,
194and a more particular description of
the parts of this Gnat.
195Ob. 45.Of the great belly'd Gnat.
A short description of it.
Obser. 46.Of a white Moth.
196A description of the feathers and
197wings of this, and several other
198Insects. 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
199sockets 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
200exactly like a Crab, which may be
call'd a water Spider.
Obser. 48.Of the hunting Spider.
A short description of it; to which
201is annext an excellent History of it,
made by Mr. Evelyn. Some further
