as an axis
for the tiny machine, which turns, turns swiftly, like a spit. It is a
treat to the eyes to see it revolve.
What is the object of this circular motion? It is this: the brief
contact of the spinnerets has given a starting-point for a thread,
which the Spider must now draw from her silk warehouse and gradually
roll around the captive, so as to swathe him in a winding-sheet which
will overpower any effort made. It is the exact process employed in our
wire-mills: a motor-driven spool revolves and, by its action, draws the
wire through the narrow eyelet of a steel plate, making it of the
fineness required, and, with the same movement, winds it round and
round its collar.
Even so with the Epeira's work. The Spider's front tarsi are the motor;
the revolving spool is the captured insect; the steel eyelet is the
aperture of the spinnerets. To bind the subject with precision and
dispatch nothing could be better than this inexpensive and highly
effective method.
Less frequently, a second process is employed. With a quick movement,
the Spider herself turns round about the motionless insect, crossing
the web first at the top and then at the bottom and gradually placing
the fastenings of her line. The great elasticity of the lime-threads
allows the Epeira to fling herself time after time right into the web
and to pass through it without damaging the net.
Let us now suppose the case of some dangerous game: a Praying Mantis,
for instance, brandishing her lethal limbs, each hooked and fitted with
a double saw; an angry Hornet, darting her awful sting; a sturdy
Beetle, invincible under his horny armour. These are exceptional
morsels, hardly ever known to the Epeirae. Will they be accepted, if
supplied by my stratagems?
They are, but not without caution. The game is seen to be perilous of
approach and the Spider turns her back upon it instead of facing it;
she trains her rope-cannon upon it. Quickly the hind-legs draw from the
spinnerets something much better than single cords. The whole
silk-battery works at one and the same time, firing a regular volley of
ribbons and sheets, which a wide movement of the legs spreads fan-wise
and flings over the entangled prisoner. Guarding against sudden starts,
the Epeira casts her armfuls of bands on the front- and hind-parts,
over the legs and over the wings, here, there and everywhere,
extravagantly. The most fiery prey is promptly mastered under this
avalanche. In vain the
|