PAGE
CHAPTER VIL
OF THE EFFECTS OF WARM WATER UPON
THE MUSCULAR TEXTURES. - 1 7 4
RECAPITULATION - - - - - 187
ERRATUM.
Page 89, line 4, for 66, read 78.
PREFACE.
The comparative anatomist and physiologist will
not ask why I have chosen the batrachian and
fish tribes, for the investigation contained in the
following pages.'
It was necessary to select an animal which
presented parts transparent enough to be seen perfectly
under the microscope. The web of the frog
is the only external part of an animal which affords
the opportunity for such an inspection, for any
considerable length of time.
It is well ascertained, that the lower the animal
in the zoological scale, the more capable it is
of submitting to division, and of yielding, in
each part, the phenomena of life I until, in the
lowest, each such part constitutes in itself a
perfect animal.
b
