HEY : LIST OF YORKSHIRE COLEOPTERA. 43 



early spring at that particular locality. I have taken it as 

 early as February. 



4. Central. — Askham Bog, 1856 and 1868 (W. Hey); 

 also in 1871 and 1880-1886 {W.C.H.). 

 Hydroporus lineatus F. Tolerably common and general. 



2. N.E. — Marton Lodge (Z. Rndd, Sieph.JlL, June 15th, 

 1829, ii. 193); Scarborough (i?. Lawson). 



3. N.W.— Studley I^E. A. Waterhouse). 



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



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

 district, 1879 {E. B. Wrigglesworth). 



colymbetina. 

 Noterus clavicornis DG. Askham Bog seems to be 

 the northern limit of this species. It is abundant there 

 even in January. 



4. Central. — Askham Bog {A, Wright, Nov. 1830; 

 W. Hey; W.C.H.). 

 Laccophilus minutus L. Locally abundant. 



I. N.E. — Marton, common (Z. Eudd, Ste_ph.,Ill., 1829). 



3. N.W. — Studley (^.^. Waterhouse, I'^Tt)). 



4. Central. — Askham Bog {W.C.H.). 



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

 Laccophilus hyalinus DG. {=obscurus Panz.). 



1. S.E. — Brough {E. B. Wrigglesworth). 



2. N.E. — Normanby in Cleveland, 1879 {H. Bollard, 

 Nat., Sept. 1879); Scarborough (i?. Lawson). 



4. Central. — R. Foss ; ponds north of York ( W. C.H.). 



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

 Colymbetes fuscus L. The largest and commonest of the 



genus. 



1. S.E. — Brough {E. B. Wrigglesworth). 



2. N.E. — Coatham( J^CZ^); Scarborough (7?. Z«av^c?«.) 



3. N.W.— Studley {E. A. Waterhouse). 



4. Central. — York district ; and Doncaster ( W.C.H.). 

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



