178 
with a relative humidity above the mean the greatest excess 
of ozone occurred in April and May. The results of the 
four years’ observations are as follows 
Mean Amount of Ozone, 
with the Relative 
Humidity of the Air 
Below the 
Mean. 
Above the 
Mean. 
1 Difference. 
January 
6-6 
4’5 
+1.1 
+0-9 
+0-3 
—1-7 
February 
4-8 
3-9 
March 
5’4 
5-1 
April 
4-0 
5-7 
May 
i 5-2 
6-8 
—1-6 
June 
1 5'2 
6-2 
—1-0 
July 
j 5-3 
5-4 
—0-1 
August 
i 4-9 
5-1 
—0-2 
September 
1 6-4 
4-1 
+2‘3 
October 
5-0 
3-7 
+1-3 
November 
5-8 
3*5 
+ 2-3 
December 
1 5-8 
3-7 
+2*1 
MICKOSCOPICAL AND NATUEAL HISTOEY SECTION. 
April 10th, 1876. 
A. Beothees, F.R.A.S., in the Chair. 
Mr. SiDEBOTHAM, F.R.A.S., made the following remarks. 
On the discovery of jEgialia rufa. 
In the middle of last June I captured two specimens of a 
species of Coleoptera new to me. This proves to be j^Jgialia 
rufa of Fabricius, a species found in North Germany, but 
said to be rare. Rufa differs from the other two British 
species in being of a red colour, the prothorax is rugose and 
margined at the base, and the elytra strongly crenate striate. 
The specimens found were on the loose sand at the base of 
the sand hills at Southport. I send one of the specimens for 
exhibition, also specimens of the other two allied species. 
Mr. T. Rogers communicated the following •— 
I recorded the discovery of a Jungermannia which has 
been provisionally named Jungermannia Nevensis, by Dr. 
