J. ANIMALCULA OF INFUSIONS. 45 



of Good Hope abound with animals of every fize 

 and figure, though the thermometer, in the fhade^ 

 rifes to 1 1 1° (i). Equally abundant is CaroHnay 

 where it alfo rifes in the fhade to 122°, and high- 

 er. It has been demonftrated, that the dire£t 

 heat of the fun is twice that of the fiiade, and 

 fometimes thrice in the hotted countries, there- 

 fore this heat in Apamea and the Cape of Good 

 Hope fhoulci ''02 at lead 189^, and in Carolina 

 will exceed 2 12° (2). If animals live at fuch heat 



as 



(i) Haller, Phyfiolog. T. 2. It is not clear what 

 •country the author means by Apamea ; feveral regions 

 liave that name. — T. 



(2) Affuredly this is an eiTor ; for it is very much to 

 be doubted, nay, I incline to deny altogether, that in any 

 part of the globe the heat of the folar rays is nearly double 

 that of the fliade. By the few experimetits made in hot 

 countries, the differcRce is not many degrees. In Scot- 

 land, I have feen a thermometer, in an ordinary fitua- 

 tion, expofed to the fun, rife to twice the heat of the 

 fhade. But that was from refledion, and the heat that 

 the furrounding fubftances had acquired. It has afcend- 

 ed to 118° or 120*^, which was from the fame caufe, as 

 experiments demonftrated. 



The author is not the only perfon who fuppofes the di- 

 rect heat of the fun is twice, that of the fhade. Haller, an 

 illuftrious phyfiologift, and otlier naturalifts, think it may 

 even be more. At Montpeliier, he fays, it has been fo 

 great as to roaft an egg, Pkyfiologia, torn. 11. p. 32. which 

 ^'ould be between 150° and i6q° at lead. 



4t 



