GEOMETRY. 55 



in lanes and woods generally. Both forms are equally 

 plentiful within a good radius around Huddersfield, the 

 small dark form feeding principally I think on bilberry, the 

 other feeding on sallow and many other trees. 



Melanthia rubiginata IV.F. Generally common. 



Adel !! (C^.) ; Askham Bog ( IV.F.) ; Bishop's Wood 

 {C.S.); Bradford !! (/. W.C.) ; Bramham ! {/.Sm.) ; Hud- 

 dersfield {G.T.F.); Pontefract {B.H.) ; Richmond (/ 

 Saftg) ; Scarborough {J.II.R.) ; Sheffield {A.D.) ; V^ake- 

 ?ie\d{W.T.). 



Melanthia ocellata L. Common and generally distributed. 

 Askham Bog ( W.F.) ; Barnsley {/.II.) ; Bradford ! 

 {/.W.C); Bramham ! (/.Sm.) ; Harrogate (/. Sang); 

 Huddersfield ! (G.T.F.); Leeds (F.B.); Pontefract 

 (B.H.); Richmond (/ 6'a^^^) ; Sheffield (^.Z>.) ; Wake- 

 field {W.T.). 



Melanthia albicillata L. Fairly distributed and common. 



Bishop's Wood !! (G.T.F.); Bradford {/.W.C.) 

 Bramham ! (y. 6"/;/.) ; Cudworth near Barnsley {G.T.F.) 

 Edlington Wood \ {G.T.F.) ; Ilkley ( W.E. C) ; Pontefract 

 {B.H.) ; Richmond {/. Sang) ; Scarborough {/H.F.) 

 Sheffield {A.D.) ; Thorner !! {CS.) ; Wakefield {G.T.F.) 

 Washburn Valley {/G.) ; Wharnclifife {C.S.); York 

 ( W.F.). 



A very dark form, variety sufFusa Carrington, has 

 been bred by Mr. T. Meldrum of Ripon. 



Melanippe hastata L. Common in several localities among 

 birch. 



Bishop's Wood ! ( W.E. C ) ; Edhngton Wood \ {G.T.F.); 

 Huddersfield {G.T.F.); New Park Spring Woods, Cud- 

 worth !! {G.T.F.); Scarborough {Stainton's Manual); 

 Sheffield {A.D.) ; Wakefield {W.T.) ; Wharnclifife {C.S.); 

 York {Stainton^s Manual). 



