CONTENTS. 



Page. 



Chap. I. A NJLOGIES hetiveen Atii- 



jt^ vials and Vegetables i 



II. Of Reproduclion hi general 1 6 



III. Of Nutrition and groivth 39 



IV. Of the generation of Animals 49 

 V. Exa7mnation of the different Sy Hems 



of Generation . . 64 



VI. Experunenrs on Generation 148 



VII. Comparifon of my ovcm Experiments 



'with thofe of Leeuivenhoek 193 



Vlll. Reflections on the preceding Expe- 

 riments . , 212 

 IX. Varieties in the Generation of Ani- 

 mals . . 255 

 X. Of the Formation of the Foetus 271 

 XI. Of the Expanfi'on^ Groivth^ and 



Deli'very of the Foetus , 303 

 Recapitulation . . 346 



The Natural Hiftory of Man. 



Sect. I. Of the Nature of Man . ^^;^ 



II. Of Infancy . . . 369 



III. Of Puberty . . 400 



IV. Of Manhood . . 436 

 V. Of Old age and Death . 470 



Tables of the probability and Duration of 

 human Life , . • . 498 



