I, ANJMALCULA OF INFUSIONS. 89 



Some time afterwards I fucceeded in pf )Curing 

 two marmots.— The experiments made on them 

 completely correfponded with thofe of my learned 

 friend. In the open air, the thermometer (lood 

 at 66° ; when introduced within the throat, it 

 rofe to 102° : therefore the fad, with refped to 

 all thefe animals, cannot be more decifive ( 1 ). 



How, in contradiction to the fads before us, 

 which admit of no reply, can BufFon's aifertion 

 fubfift, which is in exprefs terms — that he has 

 found the blood of hedgehogs and bats cold ? 

 Without fuppofmg his animals of a different 

 fpecies from mine, and much lefs^ not to allow 



his 



ever is certain, namely, that all infeds are not cold ; and 

 although the heat of one fingly is not fenfible, the heat of 

 a number coUefted is very confiderable. I kept a ther- 

 mometer in a bee hive ; it fometimes ftood between 90° 

 and 98". The height did not feem entirely regulated by 

 the temperature of the atmofphere, for it has been 80° and 

 90° in the hive, while 55° and 51" in the fljade. Wher^ 

 620 in the fhade, it has been as low as 82° in the hive. A 

 number of bees colleded do not become torpid during 

 winter. When the atmofphere was at 25°, which is cold 

 weather in Scotland, I reverfed a hive, and introduced 

 a thermometer among the bees, it immediately afcende4 

 to 710, and would perhaps have rofe higher. — T. 



( I ) I believe that the author afterwards made a feries 

 of inveftigations concerning marmots, but I have not been 

 ^ble to procure the work. — ^T, 



