ON THREE BALLOON ASCENTS IN 1864 AND 1865. 



191 



Meteorological Observations made in connexion with the Balloon Ascent 

 December 30, 1864. — Eotal Observatory, Greenwich. 



on 



February 27, 1865. — Eoyal Observatory, Greenwich. 



30-017 

 30-019 

 30-014 



30-008 



29-997 

 29995 



29-991 



29-975 

 29-967 



29-965 



29968 



48-6 

 489 

 49-0 



487 



47'4 

 47"9 



47'4 



28-988 47-1 

 29-980 46-8 

 46-3 



46-1 



45-9 

 45-6 



43'4 



43'3 

 42-9 



43-0 



42*2 

 43'i 



42*2 



42-4 

 42-4 

 42-1 



42-0 



42-0 

 41-6 



377 

 37'2 

 36-2 



36-8 



3 6 "4 



37-8 



3 6 "4 



37-1 



37"5 

 37-2 



37'3 

 37-5 

 37-0 



■226 

 ■222 

 •214 



•215 



■227 



•215 



•221 



•225 

 ■222 



•223 

 ■225 



66 



65 

 62 



63 



66 

 69 



66 



68 



70 

 72 



72 

 73 

 73 



s.w. 



s.s.w. 

 s. 



s.w. 



s. by w. 



s.s.w. 



s.w. 



s.s.w. 

 s.w. by s. 

 s.w. bys. 



s.s.w. 



s.w. 



s.w. by w. 



10 

 10 

 10 



10 

 10 



10 



Light cirrocumulus and a little 

 stratus in S.W. horizon. 

 Haze in N. 



Cirrus, and cirrocumulus in 

 the zenith. Dense cirro- 

 stratus and cumulostratus 

 in horizon, gradually spread- 

 ing over the sky. 



Cirrus ; clear sky in the zenith ; 

 cumulus and cumulostratus. 



Dense clouds almost entirely 

 cover the sky. Balloon first 

 seen at 2 s ; and was visible 

 for about 4"" ; seen due E., 

 and appeared moving in a 

 northerly direction. 



Sky generally covered with 

 dense clouds, excepting a 

 little clear in the zenith. 



Generally overcast ; clouds 

 broken slightly in the air. 



Clear sky and light cirrus in 

 the zenith ; dense clouds in 

 theN. 



Generally overcast, with the 

 exception of a little clear in 

 the S.E. 



Uniformly covered with cirro- 

 stratus. 



