xX CONTENTS OF VOL. I. 
Page. 
II.—Conditions necessary for the existence of the 
Vital Principle. ; 22 
1..A Parent, Univocal Generation. Equivocal 
Generation. Theory of Evolution. Transmuta- 
tion of Species. : 23 
2, Moisture. Whether the vital mipeiale te in 
the solids or fluids. : : ‘ ; 29 
3. Temperature. The increase of Hons beings as we 
approach the Equator. : : a 0 
4. Atmospheric air. Decomposed. Canitnie acid ge- 
nerated. : : : - : : Piwoe 
5. Nourishment. : : : : , F «- . a 
III.—Modifications of the Vital Principle. 
Health. Disease. Monsters, through excess or defi- 
ciency ; or by the substitution of function. Limits 
assigned. Death, : - : : : oe aD. 
CHAP. III. 
Distinguishing Characters of Animals and Ve- 
getables. ; . f . i : 39 
Animals differ from Vegetables in Composition, pecu- 
liar odour when burning; in Structure, conical 
vessels ; in Action, Sensation, Voluntary Motion, 
Locomotion ; in Nutrition, a stomach. ; : 40 
CHAP. IV. 
On the Polity of Nature. 
Relative dependence of Minerals, Vegetables, and Ani- 
mals on one another. Error of Linnzus, ‘ 49 
CHAP. VY. P 
On the Substances which enter into the Com- 
position of the Bodies of Animals. . . 53 
