5054 Insects. 



Genus Limnebius. 



1. L. truncatellus, Thunb. There seem, by general consent of en- 

 tomologists, to be two distinct sizes of this insect, which is not 

 uncommon. 



2. L. lutosus, Marsh, Mr. Hey has taken this species near York; 

 I have also received it from Orkney ; " near London," Stephe?is. 



3. L. nitidus, Marsh. I took this sparingly in Holme Fen, May, 

 1853; near London. 



4. L. picinus, Marsh. Horning Fen, 1854 ; also near London. 



Genus Berosus. 



1. B. spinosus, Ahr. Not uncommon in the salt-marshes near 

 Lymington. 



2. B. luridus, Linn. In profusion at Southend, May, 1853. Com- 

 mon. 



3. B. a&riceps, Curt. Not a rare insect, though I have never met 

 with it. 



4. B. globosus, Curt. 



Genus Hydrophilus. 

 1. H. piceus, Linn. 



Genus Hydrous. 

 1. H. caraboides, Linn. 



Genus Hydrobius. 



1. H. oblongus, Herbst. Though Whittlesea Mere is given by Mr. 

 Stephens as a locality for this insect, 1 have never met with it in any 

 of the fens. Common at Southend; Sheppy ; Gravesend. 



2. H. fuscipes, Linn. Common. 



3. H. bicolor, Payk. 



4. H. globulus, Payk. 



5. H. asneus, Germ. The only species of the genus apparently 

 rare. I have never been able to meet with it. 





Genus Laccobius. 



1. L. minutus, Linn. 



2. L. bipustulatus, Marsh. 



The number of species which Stephens has attempted to form from 





