56 YORKSHIRE NATURALISTS' UNION. 



everywhere. Sometimes large flights of it appear on foot- 

 paths. 



1. S.E.— Market Weighton ( W. C. H.); BridUngton 

 {W.C.H.). 



2. N.E. — Scarborough, Gormire {W.C.H.). 



3. N.W.— Ilkley, Leyburn {W.C.H.); Pannal ( W.D.R.). 



4. Central. — York district, everywhere ( W. C. H.) ; 

 Wetherby {H. Crowthe/). 



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

 Sphseridium bipustulatum Fab. Much less common than 



the preceding species, but in August, i888, I found it in 

 profusion in a manure heap at the back of the Elephant 

 and Castle Hotel, Knaresborough. 



2. N.E.— Redcar (ff^C^.). 



3. N.W.— Knaresborough (/^f^Ci^:). 



4. Central.— Haxby {W.C.H.). 



5. S.W.— Wakefield {E.B. W.). 



Cercyon littoralis Gyll. Many genera of the Philhydrida 

 have been neglected by entomologists, but none more than 

 Cercyon. It is an unattractive genus to study, because the 

 species are very ill-defined, and almost all that is known 

 about their distribution in Yorkshire is due to my work this 

 year (1888). The present species is entirely confined to 

 the coast, haunting sea-weed, (S:c., near high water mark. 



1. S.E. — Bridlington Quay ( W.C.H.) ; Speeton, in dead 

 guh {W.C.H.). 



2. N.E.— Hayburn Wyke {W.C.H.); Redcar to Tees- 

 mouth in abundance, Sept. 1888 ( IV.C.fl.). 



Cercyon heemorrhoidalis Herbst. This species swarms in 

 fresh dung. 



1. S.E.— Market Weighton ( W.C.H.). 



2. N E. — Scarborough, Goxm\x&{W.C.H.). 



3. N.W. — Ilkley, Leyburn, Knaresborough {W.C.H.). 



4. Central.— York, Strensall {W.C.H.). 



5. S.W.— Wakefield (£"./?. rf:). 



Trans. Y.N. v., 1885 (pub 1891). Series D. Vol. 3. 



