CHAP. 8. VARIETIES OF WEATHER. 233 



effects must be very intricate and compound ; 

 a circumstance which has always rendered the 

 knowledge of this connexion so obscure and 

 imperfect. 



As there are many circumstances which con- 

 stitute particular kinds of weather, and many 

 combinations of these circumstances, it will be 

 proper to adopt some one as a criterion, and 

 speak of the combinations of the others under 

 that head. 



The order of the clouds is the most obvious 

 feature in different kinds of weather, and ought 

 to be principally attended to. There are several 

 sorts of weather, which, to an inattentive 

 observer, would be called, in common, fine 

 wholesome weather; but which, by a more 

 minute observance, are found to differ ma- 

 terially, both in their appearance and conse- 

 quences. 



A stratus early in the morning, greater or less, 

 according to the time of year, &c. evaporating as 

 the Sun rises, the formation of well defined hemi- 

 spherical Stackenclouds through the day, most 

 abundant soon after noon, and disappearing 

 again in the evening, to be succeeded by strong 

 Dew and a Fallcloud, are the circumstances 

 which mark a settled and wholesome state of the 



