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 Amou 
with the 
Humidity 
Below the 
Mean. 
nt of Ozone, 
Relative 
of the Air 
Above the 
Mean. 
Difference. 
January 
5-6 
4-5 
+1.1 
February 
4'8 
3*9 
+0-9 
March 
5’4 
5T 
+03 
April 
4-0 
5-7 
—1-7 
May 
5-2 
6-8 
—1*6 
J une 
5*2 
62 
—1-0 
July 
53 
5-4 
— 0T 
August 
4-9 
5-1 
—0-2 
September 
6-4 
4-1 
+2*3 
October 
5-0 
37 
+1-3 
November 
5-8 
35 
+■ 23 
December 
5-8 
3-7 
+2'1 
MICROSCOPICAL AND NATURAL HISTORY SECTION, 
April 10th, 1876. 
A. Brothers, F.R.A.S., in the Chair. 
Mr. Sxdebotham, F.R.A.S., made the following remarks. 
On the discovery of JEgialia Tufa. 
In the middle of last June I captured two specimens of a 
species of Coleoptera new to me. This proves to be rEgialia 
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 pro thorax 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. 
