54 YORKSHIRE NATURALISTS* UNION. 



4. Central. —York district (IV. C. H.) ; Wetherbj^ 

 {If. Crowtlier). 



5. S.W.— Wakefield district {E.B. IV.) ; Hebden Bridge 

 (S. Gibson). 



Helophorus dorsalis Marsh. 



2. N.E. — Marton Lodge, uncommon (Z. Rudd, Steph., 

 III., June 15th, 1829, ii, 196). 



Helophorus seneipennis Thoms. 



4. Central. — Ouse refuse at York, very abundant 

 {W.C.H.). 



Helophorus brevipalpis Bedel. Common and general. 



1. S.E.— Bridlington (rKC.//:). 

 . 2. N.E.— Redcar (JF.C.//.). 



3. N.W. — Knaresborough [IV.C.If.). 



5. S.\V.— Wakefield district {E.B. IV.) ; Hebden Bridge 

 {S. Gibson). 



4. Central. —York district ( W. C.H.). 



hydrochina. 

 Hydrochus elongatus Schall. 



2. N.E. — Scarborough (R. Lawson). 

 Henicocerus exsculptus Germ. 



5. S.W. — Halifax (Fowler, Brit. Col., p. 243). 

 Ochthebius marinus Payk. 



1. S.E. — Pools of salt water on the banks of the H um- 

 ber (W. Spence, Steph. III., Jan. ist, 1829, ii, 114). 



Ochthebius pygmaeus F. 



4. Central.— Askham Bog (JF.C./y:) ;Selby(ff^ C.tT:). 



5. S.W. — Hebden Bridge watercourse, 1831 (6". Gibson). 

 Ochthebius rufimarginatus Steph. 



2. N.E. — Scarborough (R. laivson). 

 Hydraena testacea Curt. 



4. Central. — York ( W. Hey). 



5. S.W.— Halifax (Steph. Man., 1839, page 87 ; also see 



Trans. Y.N.U., 1890 (pub. 1891). Series D. Vol. 3. 



