152 



The Naturalist. 



Limn^ea peregra, var, acuminata. Eare, Farnley Tyas. 



,. „ var. decollata. Huddersfield canal. 



Limnsea auricularia, L. Was formerly common, but is now rare, 



at Salterhebble. 

 L. auricularia, var. acuta, Jeffr. Very rare at Salterhebble. 

 L. stagnalis, L. Introduced species from Wallasey, first brought 



from there to this district by Mr. John Varley. 

 L. palustris, Mull. Found in a dam at Deighton. 



„ var. elongata, do. 



„ var. conica, . do. 



„ var. decollata, do. 



L. truncatula. Mull. Not uncommon. 



,. var. minor. Rare, dam at Mirfield. 

 Ancyius fluviatilis, Mull. I have gathered a few shells of this 



species in a stream behind Castle Hill, also at Thirsk Clough, 



Longwood. 



TERRESTRIAL. 



Arion ater, L., common throughout the district. 

 Liimax flavus, L., rare. 



L. agrestis, L., common throughout the district. 



L. arborum, Bouchard-Chantereux. Eare, Greenhead-lane and 



Castle Hill. 

 L. maximus, L. Not common. 



L. Isevis. Mull.. Eather plentiful in Brighouse Wood. 

 Succinea putris, L. Eare, canal at Salterhebble, 

 Vitrina pellucida, Mull. Common in woods and shady places. 

 Zonites cellarius. Mull. Common throughout the district. 

 „ var. complanata. Eare, Farnley. 

 „ var. albida. Eare, Farnley and Elland. 



„ var. compacta. Eare, Elland. 

 Z. alliarius, Miller. Common in woods. 



„ var. viridula. Eare, Eoydhouse Wood and Mellor 



Wood. 



Z. glaber, Studer. Eather local, Elland. 

 Z. nitidulus, Drap. Common. 



„ var. nitens, Mich. Eare, Eoydhouse Wood and 

 Elland 



var. Helmii, Gilbertson. Eare, Mellor Wood. 

 Z. purus. Aid. Not very common. 



„ var. margaritacea. Very common. 



