86 HISTORY OF GLANVILLE'S WOOTTON. 



3. Gyrinus villosus, Mull. Very rare. A single 

 specimen only was taken by my brother in a 

 stream, July 18th, 1863. 



Philhydrida. 



1. Hydrophilus piceus, Linn. Very rare. A couple 

 of specimens were taken by my father in the 

 pond, April 16th, 1821. 



1. Hydrobius fuscipes, Linn. Abundant. 



2. H. oblongus, Herbs. Common. 



3. H. seneus, Germ. Abundant. 



4. H. globulus, Pk. Abundant. 



1. Philhydrus testaceus, Fab. Abundant. 



2. P. lividus, Forst. Common. 



3. P. marginellus, Fab. Common. 



1. Laccobius minutus, Linn. Abundant. 

 1. Berosus luridus, Linn. Abundant. 



1. Limnobius truncatellus, Thunb. Abundant. 



2. L. nigrinus, Marsh. Abundant. 



1. Hydraena riparia. Klug. Common. 



2. H. testacea, Curt. Very rare. Taken by my father 



on mud, March 31st, 1815. 

 1. Ochthebius pygmseus, Fab. Common. 



1. Hydrocus carinatus, Germ. Common. 



2. H. angustatus, Mull. Common. 



1. Helophorus aquaticus, Linn. Abundant. 



2. H. granularis, Linn. Abundant. 



3. H. nubilus, Fab. Abundant. 



4. H. griseus, Herbs. Common. 



