supporting him. When he is replaced in the chair, each of the four
persons takes hold of the body as before, and the person to be lifted
gives two signals by clapping his hands. At the first signal he himself
and the four lifters begin to draw a long and full breath, and when the
inhalation is completed, or the lungs filled, the second signal is
given, for raising the person from the chair. To his own surprise and
that of his bearers, he rises with the greatest facility, as if he were
no heavier than a feather. On several occasions I have observed that
when one of the bearers performs his part ill, by making the inhalation
out of time, the part of the body which he tries to raise is left as it
were behind. As you have repeatedly seen this experiment, and have
performed the part both of the load and of the bearer, you can testify
how remarkable the effects appear to all parties, and how complete is
the conviction, either that the load has been lightened, or the bearer
strengthened by the prescribed process. At Venice the experiment was
performed in a much more imposing manner. The heaviest man in the party
was raised and sustained upon the points of the fore-fingers of six
persons. Major H. declared that the experiment would not succeed if the
person lifted were placed upon a board, and the strength of the
individuals applied to the board. He conceived it necessary that the
bearers should communicate directly with the body to be raised. I have
not had an opportunity of making any experiments relative to these
curious facts; but whether the general effect is an illusion, or the
result of known or of new principles, the subject merits a careful
investigation.

(In connexion with walking along the ceiling is noticed the beautiful
contrivance of the foot of the house-fly and gecko, and the head of the
sucking-fish. To the next portion, Chemistry has supplied fewer wonders
than we expected: they occupy but fifty pages.