C H A P . III.
A Defcription of the moft improved Microfcopes, and the
Method of ufing them,. p. 65.
C H A P . IV.
General Inftruriions for ufing the Microfcope, and preparing the
Objeris, p. '126.
C H A P . V.
O f Infers in general, p. 167.
O f the Transformation o f Maris, p. 189.
O f the Refpiration o f Inferis, p. 240.
O f the Generation o f Inferis, p. 249.
O f the Food o f Inferis, p. 272.
O f the Habitation o f Inferis, p. 279.
C H A P . VI.
Giving fome Account of the Anatomical Strufiture o f the Coffus,
or Caterpillar, which is found in the Trunk o f the Willow;
and feveral other mifcellaneous Objeris, p. 323.
C H A P . VII.
The Natural Hiftory o f the Hydra, or Frelh-water Polype, p. 393.
CHAP.
C H A P. VIII.
O f the Animalcula Infuforia, p. 454.
C H A P . IX.
On the Organization or Conftruriion of Timber, as viewed by
the Microfcope, p. 652.
C H A P . X.
O f the Cryftallization of Salts, as feen by the Microfcope-;,
together with a concife Lift o f Objeris, p. 68ov
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