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difh brown, or chefnut colour, and live 

 in rotten trees in the day, but are al- 

 ways abroad in the night. 



The other kind are not more than 

 half as large as the former, and their 

 light proceeds from under their wings, 

 and is feen only when they are elevated, 

 like fparks of lire, appearing and difap- 

 pearing at every fecond. Of thefe the 

 air is full in the night, tho' they are 

 never feen in the day. They are com- 

 mon not only in the fouthern but 

 northern parts of America, during the 

 fummer. 



Infects of the Gnat Tribe are 

 extremely numerous and troublefome in 

 Guiana. They are called Mujkitoes, 

 and are of two or three kinds, differing 

 only in degrees of magnitude. They 

 are found chiefly in the marfhy low 

 lands near the fea, in the woods, which 



are 



