48 Rev. A. Matthews's Notes on the Genus Actldium. 



As a rule the species of Actidium frequent exclusively the 

 margins of lakes and rivers, or the sea shore ; but a notable 

 exception to this rule has sometimes occurred in the case of 

 A. coarctatam ; many years ago Mr. Haliday stated in the 

 Dublin Nat. Hist. Review, that he had met with this insect in a 

 farmyard somewhere in Ireland ; and the fact that it occasionally 

 frequents such localities has been thoroughly established by 

 Mr. Fowler, who for the last two years has taken several 

 examples from a hotbed near the City of Gloucester. In all 

 other instances it has been found on the sea shore ; in England 

 by Mr. Crotch on the Chesil-bank, and on the Coast of Essex 

 by Mr. Champion. 



