390 STUDIES OF NATURE. 



glafs, changed into chalk, and the ftones of hia 

 furnace became vitrified. Though it be a rare 

 thing to fee white earths between the Tropics, 

 white fands are, however, common there, upon 

 the (hores. It is certain that this colour, from it's 

 luftre, and it's refradlion to the Horizon, renders 

 low lands perceptible at a very great diftance, as 

 has been well remarked by John-Hugo de Linfchot- 

 ien, who, but for thofe fentinels planted by Na- 

 ture on mod of the gloomy and low coafts of In- 

 dia, mud there have feveral times made (hipwreck. 

 On the coafts of the Pais de Caux the fands are 

 gray, but the cliffs are white ; together with this,^ 

 they are divided into black and horizontal ftripes 

 of pebbles, which form contrafts very perceptible 

 at a great diftance. 



There are places where we find white rocks, 

 and red lands, as in quarries of mill-ftone ; from 

 thefe refult very agreeable effeéls, efpecially in con- 

 nexion with their natural accelfories of vegetables, 

 and of animals. I ftiould digrefs too far, were I 

 to enter into any detail on this fubjed. It is fuffi- 

 cient for me, at prefent, to recommend to Natu- 

 ralifts to ftudy Nature, as the great Painters do ; 

 that is, by uniting the harmonies of the three king- 

 doms. Every one, who fhall obferve in this man- 

 ner, will find a new light diffufed over the perufal 



of 



