H. pollard: land and freshwater shells. 135 



Arion ater L. Yellow variety just outside of Whitby in 1879 

 (Henry Crowther) ; black examples at Mallyon Spout, Wheel- 

 dale, 1880 (W. Denison Roebuck); and Egton Bridge, 

 August 1885 (Y.N.U.) ; and red specimens on West Cliff in 

 1885 (H.C.). 



Amalia marginata Miill. Plentiful, amongst grass at the base of a 

 wall, a little beyond the North-Eastern Railway Station, in 

 1883 (H. Pollard). 



Limax flavus L. Abundant at Bagdale in 1878 (H.C.) ; and 

 particularly common on walls at Bog Hole in 1883 (H.P.), 

 many of the specimens varying in intensity of ground-colour, 

 but not sufficiently so to warrant varietal names being given. 



Limax agrestis L. West Cliff, 1883 (H.P.), Egton Bridge, 1885 

 (Y.N.U.) ; and probably common throughout the district. 



Limax maximus L. Very plentiful in Bagdale in 1879 (H.C) ; in 

 walls at Bog Hole, July 1883 (H.P.); and Egton Bridge, 1885 

 (Y.N.U.). 



Succinea putris L. Common in a ditch in the Factory Fields, May 



1877, and in another near the bottom of Fitz Steps, t88i (H.P.); 



Ruswarp, 1878 (H.C); and on the undercliffs, 1885 (Y.N.U.). 

 Succinea putris var. drouetia. Common amongst type specimens 



in a ditch in the Factor)- Fields in 1883 (H.P.). 

 Succinea putris var. limnoidea. Abundant in marshy places on 



slopes of the West Cliff in 1883 (H.P.). 

 Vitrina pellucida jMiill. One example found on the West Cliff in 



1883 (H.P.). 



Zonites cellarius Miill. West Cliff, May 1877, and Egton Bridge, 



1879 (H.P.); Wheeldale, 1880 (W.D.R.) ; and about Whitby 



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

 Zonites alliarius Miller. At Saltwick, in 1877, West Cliff, 



in 1878 (H.C); a few specimens at Aislaby, in 1879 (H.P.); 



Mallyon Spout, 1880 (W.D.R.) ; and around Whitby Abbey, 



1885 (Y.N.U.). 



Zonites nitidulus Drap. West Cliff and Saltwick, 1877 (H.P.); 



Egton Bridge, 1879 (H.P.) ; Wheeldale, 1880 (W.D.R.); and 



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

 Zonites purus Aid. Robin Hood's Bay, 1878 (H.C); and a few 



specimens on slopes of West Cliff, in 1883 (H.P.). 

 Zonites crystallinus Miill. West Cliff, 1878 (H.C) ; and Mallyon 



Spout, 1880 (W.D.R.). 

 Helix aspersa Miill. Yery common in lanes and hedgerows, 1877 



(H.P.) ; and about Whitby Abbey and the undercliffs, 1885 



(Y.N.U.). 



May 1887. 



