34 YORKSHIRE NATURALISTS UNION. 



thorpe ( IV.C.H.) ; Foston ( W. Hey). 



5. S.W. — Heath and Walton {E. B. Wrigglesworth). 



Haliplus fulvus F. This is a local species, and not plentiful. 

 2. N.E. — Marton {Steph., Man., p. 63). 



4. Central. — Strensall ; Selby ( J^C.Z^). 



5. S.W. — Wakefield district {E. B. Wrigglesworth). 



Haliplus flavicoUis Sturm. Probably more generally distri- 

 buted than the records indicate. 



I. S.E.— Beverley, in the R. Hull, June {W.C.H.). 



4. Central. — Askham Bog {H. Hutchinson). 



5. S.W. — Heath Common (^E. B. Wrigglesworth). 



Haliplus cinereus Aube. This species appears to have been 

 only taken in the York district, and very rarely there. 



4. Central. — Askham Bog ( W. Hey). 



Haliplus fluviatilis Aube. This scarce species has probably 

 only been taken in one Yorkshire locality. 



5. S.W. — Hebden Bridge, 1835 {Curtis, B. Ent, 1835, 

 xii., 531)- 



Haliplus ruficollis DG. Perhaps the most ubiquitous of the 

 Hydradephaga, found abundantly in ponds in all parts of 

 Yorkshire throughout the year. 



1. S.E.— Bridlington (J^/>^C.^); Tin^e\di {W.C.H). 



2. N.E.— Scarborough {W.C.H); Redcar {W.C.H.); 

 Gonmre (WCH). 



3. N.W. — Studley (E. A. Waterhouse). 



4. Central. — Throughout the district {W.C.H). 



5. S.W.— Hebden Bridge {S. Gibson). 



Haliplus lineatocoliis Marsh. Rather a local species, or 

 perhaps often overlooked. 



I. S.E.— Beverley (f^C^.); B rough (^. ^. Wriggles- 

 worth; Bridlington ( fF^CZ^). 



3. N.W. — Studley (^. ^. Waterhouse). 



4. Central. — York {Steph., Man., x?>2,9, p- ^z); Selby 

 {W.C.H). 



Trans.Y.N.U., 1885 (pub. 1888). Series D. VoL 3. 



