THERMOMETRICAL OBSERVATIONS. 233 



Obferved zenith diftance of /2 Tauri 2° 36' 37'. 7 



h f 1/ 



Sirius pafTed the firft fibre of the! 



traniit inftrument at ^•555'^ 



The meridian at . 5 53 39 



The third fibre at . 5 5^). 34 



O f /f 



Obferved zenith diftance of Caftor . 1 16 50 n. 

 do. . Pollux . 2 32 I s. 



do. . a Core. Borealis 3 38 25.7 s. 



Thermometer 84° at 4 o'clock P. M. 



April lit, 0's preceding limb on the meridian at ii 57 31 A.M. 

 Sublequent do. . . . n 59 40 A. M. 



Centre do. . . . 11 58 35.5 A.M. 



Cloudy in the afternoon attended with 

 Iharp lightning, heavy thunder, and a great 

 fall of rain. 



b 



2Q. Sirius pafled the firft fibre of the} 



tranfit inftrument at J • 5 45 '9 



The meridian at . 5 46 8 



The third fibre at . 5 47 2 



Obferved zenith diftance of « Coro. Borealis 3" 38' 27". 5 s. 



h I " 



2d. 0's preceding limb on the meridian at 11 57 15 A.M. 

 Subfequent do. . . . 1 1 59 24 A.M. 



Centre do. . . . 11 58 19 A. M. 



? pafled the meridian at . i*" 24' 32" centrum. 



Obferved zenith diftance of yfi Tauri 2° 36' 3 8". 7 s. 



4th. 



