136 



H. POLLARD: LAND AND FRESHWATER SHELLS. 



Helix aspersa var. undulata Moq. Two specimens, approaching 



this variety, collected amongst type in 1883 (H.P.). 

 Helix nemoralis L. Abundant on cliff slopes and in most hedge- 

 rows and lanes, in 1877 (H.P.), the banding and ground-colour 



being extremely varied. 

 Helix nemoralis var. hybrida Poiret. Several specimens taken with 



Helix nemoralis and H. horfensis in the Factory Fields and Love 



Lane, in May 1877 (H.P.). 

 Helix hortensis Miill. Com.mon in hedgerows in the Factory Fields 



and Love Lane, May 1877 (H.P.), the banding, etc., being as 



varied as in H. ne??ioralis. 

 Helix arbustorum L. One specimen taken in a garden, amongst 



nettles, at Ruswarp, in 1877 (H.P.); and plentiful on the under- 



cliffs near Newholm Beck, in 1883 (H.P.). 

 Helix conciima Jeffreys. Several obtained on slopes of West Cliff, 



in 1883 (H.P.) ; and about Whitby Abbey and the underchffs, 



in 1885 (Y.N.U.). 

 Helix Mspida L. Common on West Cliff and in hedgerows, 1877 



(H.P.) ; near Arncliffe Woods, 1878 (H.C.); and about Whitby 



Abbey, 1885 (Y.N.U.). 

 Helix fusca Mont. In the woods at Cruckley Gill in 1879 



(H.C.). 



Helix sericea Miill. Two specimens taken on West Cliff in 1878 

 (H.C.). 



Helix virgata DaCosta. Slopes of West Cliff, 1878 (H.C.). 

 Helix caperata Mont. West Cliff, 1878 (H.C.) ; and particularly 



common at Upgang, in 1883 (H.P.). 

 Helix caperata var. bizonalis. One specimen collected with type 



at Upgang, in 1883 (H.P.). 

 Helix caperata var. fulva Moq. Upgang, with type, 1883 (H.P.). 

 Helix caperata var. omata Picard. As abundant as type on West 



Cliff; in 1878 (H.C). 

 Helix ericetorum Miill. Several obtained on West Cliff, near 



Upgang, in July, 1883 (H.P.). 

 Helix ericetorum var. minor. Several found \vith type, on West 



Cliff, in July 1883 (H.P.). 

 Helix ericetorum var. alba Charp. One with type on West Cliff, 



in 1883 (H.P.). 



Helix rotundata Miill. West Cliff, 1877 (H.P.): near Arncliffe 

 Woods, 1878 (H.C); Mallyon Spout, 1880 (W.D.R.) ; and 

 Whitby Abbey, 1885 (Y.N.U.). 



Helix pulcheUa Miill. On slopes of W^st Cliff, 1878 (H.C) ; and 

 in 1883 (H.P.). 



Naturalist, 



