j_j.o The Scottish Naturalist. 



affinis Curt. Apparently not very common. Marshy districts. 



Distribution — East, o Forth o Dee Moray Sutherland o o 



West. Solway Clyde o o Hebrides. 



auricula Curt. Rather common. Shallow running water. 



Distribution — East, o Forth Tay o Moray Sutherland o o 



West. Solway Clyde o o Hebrides 



Occurs in pine woods some distance from water. 



GRISEUS L. Common. Marshes and ponds. 



Distribution — East, o Forth Tay Dee Moray Sutherland 



Orkney o 

 West. Solway Clyde o o o 



LIMNOPHILUS BIPUNCTATTJS Curt. Rare. 



Distribution — East, o o o o Moray o o o 



West, o o o o o 



EXTRICATUS M'Lach. Common. Running waters, probably 



also deep ponds and lakes. 



Distribution — East, o o o Dee Moray o o o 



West. Solway Clyde o o Hebrides 



HIRSUTUS Pict. Rare. 



Distribution — East, o o Tay o o o o o 



West, o o o o o 



L.URIDUS Curt. Common. Slowly running shallow waters. 



Distribution — East, o Forth Tay o Moray Sutherland o o 



West. Solway Clyde o o o 



SPARSUS Curt. Very common everywhere. Marshy districts. 



Distribution — East, o Forth Tay Dee Moray Sutherland 



Orkney o 

 West. Solway Clyde o o o 



The varieties of this insect are almost endless, and some of the Scottish ones 



are very fine. 



FUSCICORNIS Ramb. Scarce. Slowly running streams and 



deep ponds. 



Distribution — East, oooooooo 



West. Solway Clyde o o o 



