THERMOMETRICAL OBSERVATIONS. 193 



22d. Clear day, thermometer 61° at fun rife, rofe 

 in the afternoon to 72°. 



Equal altitudes of the Sun. 

 A.M. 9" 36' 39". P.M. 2" 18' 18". 



Obferved zenitli dillance /3 Andromedas 4 36 29 n. 



do. . . /S Taini . 1 gi 9 s. 



do. . . Caftor . 2 22 12.5 n. 



do. . . Pollux . I 26 35.5 s. 



23d. Clear day, thermometer 66" at fun rife, 

 rofe in the afternoon to 74°. 



O 1 " 



Obferved zenith diftance a Coro. Borealis 2 52 51 s. 

 do. . . ^ Andromedas 4 36 30 n- 



Turned the face of the Sedlor to the weft. 



Obferved zenith diftance of Pollux . \° 28' 16" s. 



24th. Clear day, thermometer 68° at fun rife, 

 rofe in the afternoon to 77°. 



Obfen'ed zenith diftance of a Coro. Borealis 2" 34' 34" s. 



Equal iiltitudes of the Sun. 

 A. M. 8" 54' o''. P. M. 2'' 59' 33". 



The equal altitudes of this day are doubtful 2 or 3 fe- 

 conds, from the violence of the wind. 



Obferved zenith diftance fi Andromeds 4° 34' 49" n. 



The above zenith diftance is doubtful, from the effeift of 

 the wind on the plumb-line. 



o ' " 



Obferved zenith diftance Tauri . i 32 47 s. 

 do. . . Caftor . 2 20 35 n. 



do. . . Pollux . I 28 17 s. 



25th. Heavy fog in the morning, thermometer 

 70° at 6 o'clock A. M. and 79° in the after- 

 noon. 



Obferved 



