lxxill 
Truro and Falmouth there was in this respect a very noticeable 
difference ; at Falmouth in the winter the temperature was 10 de- 
grees higher than at Truro; whilst in times of great heat, Fal- 
mouth was from 5 to 10 degrees cooler than Truro. 
Dr. Barham also invited attention to the differences of direc- 
tion in the wind at the same time within short distances, as an 
important factor in local changes of weather. 
Mr. HoskEN RICHARDS expressed concurrence with Mr. 
Augustus Smith with regard to the necessity of recording tem- 
perature at various times in each day, and not merely at 8 in the 
morning. In the course of any one day there might be great 
vicissitudes of temperature, and yet the observations made at 
8 a.m. on successive days might show little if any difference. Mr. 
Richards further remarked that in the Board of Trade tables 
there were certain columns, such as those concerning the amount 
of cloud and the force of wind, which were useless unless based 
on observations made with thoroughly proved and reliable instru- 
ments. 
Dr. JAGO made some observations onrecent solar phenomena :— 
Though several descriptions of the solar haloes and parhelia 
of April 5th last have been contributed to newspapers and other 
periodicals, phenomena of the kind are so very rare in these 
parts that perhaps you may not deem this occasion inopportune 
for one of the Members of this Institution to relate how they 
displayed themselves to his eyes; especially as there are parti- 
culars in which his description will differ from those published in 
Symons’s Meteorological Magazine for May, as collected from news- 
‘papers and its own correspondents; and that in the Western 
Chronicle of Science for April—both now lying before you on the 
table. From these it may be gathered that, from about 3 p.m. until, 
or nearly until, sunset on April 5th, peculiar solar appearances 
were observed throughout, at least, the four most westernly counties 
of England. At Truro the barometer was at 30 inches; the 
thermometer, within twelve hours, ranged between 62 and 38 de- 
grees; the air was dry. In the afternoon a gentle northerly draught 
prevailed, to be succeeded in the evening by a strong east wind 
and a cloudless sky. Very similar meteorological conditions are 
reported from the other places where the phenomena were wit- 
nessed. 
As far as I am aware, nothing uncommon was to be seen when 
I returned to my house at 3 p.m.; and it was not until 5 o'clock 
that I was apprized by my wife that an intelligent domestic, who 
had been out, had been admiring, for an hour or more, a strange 
sight which, she reported, was still visible, though in a less bril- 
liant guise. On my going into my garden, on the west side of 
