A MONOGRAPH 



OF THE 



CULICIDAE OF THE WORLD 



ERRATA ET ADDENDA. 



Page 34, line 31, for Peyton read Patton. 



Page 42, delete the species elegans, and vide p. 77. 



Page 42, line 34, far 3 yellow costal spots read 4. 



Page 59, line 28, for gracilis read fragilis. 



Page 74, Myzomyia rossii, Giles. This species has been found on recent 

 microscopic examination to belong to a distinct genus from 

 Myzomyia, owing to the peculiar squamose characters of the 

 thorax. The genus is being described by Mr. Rothwell as 

 Pse udomyzomyia. 



Plate XIII., for Culex crinifer, Lutz, read Culex (?) crinifer, Theobald. 



As a test he " cleared certain areas near the banks of all 

 Lemna and enclosed them with light floating structures, which 

 were fixed enough to resist the winds — in fact made experimental 

 pools. I was pleased," he says, " to find in due time plenty of 

 Anopheles larvae in these pools. This seemed to prove that 

 Lemna acts as a mechanical obstruction to the process of egg- 

 laying, and a very obvious method of prevention occurred to me. 

 Why not deliberately promote the growth of Lemna minor in all 

 unavoidable collections of water to prevent the propagation of 

 mosquitoes ? " 



This same green plant grows freely in England, and I have 

 noticed a similar occurrence here. A pond close to my house 



VOL. IV. B 



