WILLIAM SMELLIE. 31 



ties of the air Its motions Uses in the animal 

 and vegetable kingdoms Of rain, snow, hail, 

 dew, water-spouts, lightning and thunder, aurora 

 borealis, and other meteors Examination of Dr 

 Hutton's theory of rain, &c. 



4. Of the interior parts of the earth Its strata 



Their general positions Their different sub- 

 stances Their regularities and irregularities 

 Their fissures, &c. Of mines and minerals 

 View of British strata Natural History of all the 

 metals Of extraneous bodies found in the strata ; 

 as shells, wood, bones, &c. Of the causes of 

 partial derangement in strata; as earthquakes, 

 volcanoes, the operations of water below the 

 surface, &c. Of precious and other figured 

 stones. Several plates are to illustrate these 

 subjects. 



5. Of the different theories which have been 

 formed upon the preceding and other historical 

 facts Theory of Woodward, of Burriet, of 

 Whiston, ofScheutzer, of Buffon, of Hutton, &c. 



A new theory of the earth General remarks 

 by way of conclusion. 



II. OF ANIMALS IN GENERAL. 



1. Of the structure and organs of animals and 

 vegetables Their discriminations Their analo- 

 gies in structure and organs, in growth and 

 nourishment, in dissemination and decay. 



2. Of the gradual progress of animals from 

 birth to puberty, and thence to decay. 



