A MONOGRAPH — 
OF THE 
CULICIDAE OF THE WORLD. 


Gal) Hk A INO BS: 

Several notes of general] interest have been made and sent 
by correspondents that can scarcely be incorporated in the 
systematic part of this book. These are presented here. 
THE RELATIVE FREQUENCE OF CULICINA AND 
ANOPHELINA. 
It is interesting to note the relative frequence of these two 
sections of the Culicidae. In most cases observations made 
personally during the past two years show that in Great Britain 
the Anophelina, where they occur at all, are relatively more 
abundant in habitations than Culew. 
At Great Staughton during August the numbers counted in 
a privy in the morning were as follows during the week ending 
the 26th :— 
20th .. 10am. .. Culex 12; Anopheles 37 
BASt Fe .. Culex 20; Anopheles 15 
22nd). - .. Culex 7; Anopheles 40 
23rd " .. Culex 12; Anopheles 17 
24th 5s .. Culex 2; Anopheles 7 
PApisa | Be Fe .. Culex 30; Anopheles 14 
26th .. ee .- Culex 8; Anopheles 27 
_ ..The species were Culex pipiens and Anopheles maculipennis. 
At Wye, again, observations were made during August, 
VOL. IIL. B 
