Chap. 9.] cf the Atmofplert. 439 



at lead as bright and ftrong as at the furface. That 

 it does extend much higher, is evident from the 

 meteors already mentioned j for all theie are un- 

 doubtedly carried along with the atmofphere i other- 

 wife that of 1783, which was feen for about a minute, 

 muft have been left one thoufand miles to the weft- 

 ward, by the earth flying out below it in it's annual 

 fourfe round the fun V 



* Adams's keftures, vol. i, p. 52. 



