286 BRISTOL LAND AND FEESH-WATER MOLLUSCA. 



21. H. pygmaea. Draparnaud. 



On walls at Eedland (F. G. P.), 1864; {-'') Quarries 

 on the Downs (E. C. W.), old walls near Westbury 

 (J. & F. H.) 



22. pulchella. Miiller. 



On walls at Eedland (T. G. P.), 18.^9 ; Cook's Folly, 

 Sea Mills, banks of the river (E. C. W.), (*) 

 Durdham Downs (J. & F. H.), abundant in moss 

 everywhere (E. C. J.) 



Yar. costata. Muller. 



Near Westbury (J. & F. H.) 



23. lupicido. Linne. 



("^'j In gardens, common, St. Vincent's Eocks, Leigh 

 (E. C. W.), Parry's Lane (J. & F. H,) ; in the 

 crevices of the rocks just beneath the Observatory 

 (E. C. L) - . 



Genus 5. JBuh'nms. Scopoli. 

 1. B. acutus. Muller. 



Downs, under stones (T. G. P.), 1863; {^'') Leigh 

 AYoods (W. W. S.) 



3. B. obscurus. Muller. 



(*) Everywhere (W. W. S.), Downs, under stones 

 (F. G. P.), 1893, (E. C. W.), Ashton (E. C. W.), 

 St. Yincent's Eocks (J. & F. H.), 1873, rocks, 

 Hotwell Eoad (E. C. J.) , 



Yar. alba. Jeff. 



St. Yincent's Eocks (J. & F. H.) 



Genus 6. Fiipa. Lamarck. 

 1. P. secale. Draparnaud. 



(^) Downs, under stones (T. G. P.), 1862, (^') St. 



Yincent's Eocks, abundant (E. C. W., J. & F. H.), 



(^) Eocks, Hotwell Eoad, E. C. J.) 



