THERMOMETRICAL OBSERVATIONS. 251 



Equal ohiiudes of the Sun. 

 A. M. 9'' 30' 13". P. M. 2'- 9' 50". 



Obferved zenith diftancc of « Lyrae (fmall fe..^or) 7" 37' 30" n. 



3d. Thermometer 75° all lad night, rofe to 

 85°. — Clouds flying with great rapidity the 

 fore part of the day from the N. \V. cleared 

 off in the afternoon. 



o ' " 



Obferved zenith diftance of 4 Core. Borealis 3 36 7.5 s. 



do. fmall fedlor a Lyrs . 7 37 36 n. 



do. . . . /3 Pegafi . 4 o 25 s. 



do. fmall feiftor do. . 3 59 3 s. 



The obfervations on £ Pegafi are doubtful, the ftar was 

 difcemed for a few feconds only between tlie clouds as they 

 palfed by. 



Cloudy the remainder of the night. — At 

 21'' the clouds difappeared, at 22" 15' the flcy 

 was fine, at ?,2^ 20' I prepared to obferve the 

 zenith diftance of Caftor, but in lefs than 2 

 minutes, an extenuve cloud formed in the 

 zenith, with feveral others to the northward, 

 they all difappeared in about 5 minutes but 

 the obfervatioa was loft. 



Obferved zenith diftance of Pollux . z° 30' 14'' s. 



4th. Thermometer 73° all laft night, rofe to 87° 

 in the afternoon. 



o , ,, 



Obferved zenith diftance of « Coro. Borealis 3 36 8.j s. 



ith. 



