THERMOMETRICAL OBSERVATIONS. 167. 



Obferved the times, and diftances of the D 's nearcft limb 

 from that of the © as follows : 



P.M. 



! 



Means 2 54 18 84 16 32 



Obferved zenith diftance of « Lyr« . 1° 33' 28'' k. 



do. . . .a Cygni . 7 31 19 n. 



do. . . ^ Medufx 3 7 5 n. 



6th. Cloudy in the morning, clear in the after- 

 noon. — Thermometer 24° at fun rife, rofe in 

 the afternoon to 34°, fell to 12" at fun fet. 



Obferved zenith diftance of Mediux . 3° 7' 17" x. 



7th. Clear day, wind N. W. — Thermometer y" 

 below o at fun rife, 5° below o, at 9" A. M. 

 rofe to icf in the afternoon, fell to o at fun 

 fet. 



Obferved zenith diftance of « Lyra . 1° 33' 37" n. 



do. . . a Cygni . 7 31 27 n. 



do. . . . jS Andromedx 2 30 6 s. 



do. . . ^ Medufae . 3 7 17 n. 



Turned the face of the Sedor eaft. 



8th. Clear day. Thermometer 7° below o at 

 fun rife, rofe in the afternoon to 29° above o, 

 fell to 10° at f P. M. 



Obferved zenith diftance of « Lyrse . 1° 37' 40" n. 

 do. . . /8 Andromedae 2 25 47 s. 



do. . . . Medufa . 3 1 1 49 N. 



Z 2 9th. 



