250 TAYLOR: ON HELIX ARBUSTORUM. 



Var. pallida (Backhouse MS.) Taylor. Shell yellow or whitish-yellow, with 

 band. 



This form has been separated from flavescens by Mr. Back- 

 house of York. It is found at York and Bell Busk, and Mrs. 

 Fitzgerald has collected it at Folkestone. 



Var. albinos Moquin-Tandon. (=var. a/iJ/rfia; Fimmer). Shell white. 



Near Settle (Smith); Gargrave (J. Whitwham). Outside the 

 city walls near the Railway Station, York, H. arbustorum was very 

 abundant, and fully ^th of the specimens were this form (Christy). 

 Mr. W. K. Bridgman records it as "not unfrequent near Norwich." 

 Mr. Ponsonby informs me that it is found in Kent and in Derby- 

 shire. Moquin-Tandon gives it in his list of French varieties. 



Miss F. M. Hele says it is more common in chalky districts 

 than elsewhere, but she does not particularize localities. 



Var. Draparnaudi Moq.-Tand. Shell greenish brown, marked with yellow. 

 France. Not yet recorded for this country. 



Var. Poiretia Moq.-Tand. Brown with yellow and white markings. 

 France. Not yet recorded for this country. 



Var. Boisseria Moq.-Tand. Violet with white markings. 

 France. Not yet recorded for this country, 



Var. rufescens Moq.-Tand. Shell of a clear reddish color marked with white- 

 France. Not yet recorded for this country. 



Var. Thomasia Moq. -Tand. Grey with white markings. 

 France. Not yet recorded for this country. 



Monst. sinistrorsum Fer. Shell reversed. 



Pfeiffer quotes this form, on the authority of Ferussac and 



Hartmann but does not state locality. Not yet recorded for this 



country. 



Pfeiffer also records scalariform specimens, on the authority 



of Hartmann. 



J.C. iii., October, 1881 



