UPPER NIDDERDALE AND ITS FAUNA. 



207 



Zonites cellarius. Common ; Birstwith, Ripley, Dacre Banks, Rams- 

 gill, Greenhow Hill, Lofthouse, How Stean, Goydon Pot, etc. 



Zonites alliarius. Harefield and Guyscliffe Woods, Pateley Bridge, 

 Ripley, Hartwith, etc. 



Zonites nitidulns. Very common at Ripley and Birstwith. 

 var. nitens. Birstwith. 



Zonites purus. Pateley Bridge and Birstwith, in limited numbers. 



var. margaritacea. Plentiful on a bank near Nidd Bridge. 



Zonites radiatulus. Common at Birstwith. 



Zonites excavatus. Guyscliffe Wood, Pateley. 



Zonites crystallinus. Greenhow Hill, Ripley, marshy field near 

 Darley, and very common at Birstwith. 



Zonites fulvus. Birstwith, found in a damp beech wood, under 

 decayed leaves. 



Helix nemoralis. How Stean, Pateley, etc., but does not appear to 

 be plentiful. 



Helix hortensis. Near Pateley Bridge, Goydon Pot, Harefield 

 Wood, Glasshouses, How Stean, Lofthouse, Ramsgill, etc., very 

 numerous. The var. lutea 00000 appears to be a prevalent one, 

 and roseolabiate forms have occurred.. 



Helix arbustorum. Pateley Bridge, How Stean, etc. The only 

 Birstwith example was a broken one found by Mr. Walker on a 

 stone heap, where it had been dropped by a bird. 



Helix rufescens. A very abundant species about Pateley, Middles- 

 moor, Ramsgill, Gouthwaite, Harefield Wood, Bewerley Park, 

 Glasshouses, Birstwith, Ripley, and near Hartwith Dam. 



Helix concinna. Birstwith, very common. 



Helix hispida. How Stean, Lofthouse, Goydon Pot, Greenhow 



Hill, Ripley, Birstwith, etc., common, 

 var. snbrufa. Near Ripley Station. 

 Helix sericea. Near Hartwith Dam, August 4th, 1883, on nettles 



and ivy (F. T. Walker). 

 Helix virgata. A single example sent from Glasshouses in 1882, 



by W. Storey. 



Helix lactea. A living example of this Mediterranean species 



occurred on the railway at Pateley Bridge. 

 Helix caperata. Very common at Birstwith. 



Helix ericetorum and var. instabilis. Found near Birstwith, but 

 rare. 



Helix rotundata. Very abundant throughout the dale, occurring on 



the top of Greenhow Hill, and as far as Goydon Pot. 

 Helix rupestris. Very abundant on Greenhow Hill. 

 Helix pygmaea. Nidd Bridge. 



July 1886. 



