20 

 Amalia gagrates, Drap. Middlesbrough (T. A. L.). 



Amalia Sowerbyi. Fer. {L. marginatus, Jeff.). Middles- 

 brough (T. A. L.). Dixon and "Watson say " We have 

 found specimens in the N(jrth of Yorkshire, though 

 by no means common." 



Vitrina (Phenacolimax) pellicuda, Mull. Ingleby Green- 

 how (J. H.), Kildale (J. H.), Great Ayton (B. E Lucas), 

 Marton (J. H.), Lealholm (G. Roberts), Middlesbrough 

 (T. A. L.), Saltburn (B. H.), Kilton (B. H.), Staithes 

 (B. H.), Wilton (B. R. L.). 



Hyalinia (Polita) cellaria, MlUl. Ingleby Greenhow(J. H.), 

 Kildale (B. H ), Great Ayton (B. R. L.), Middlesbrough 

 (T. A. L.), Wilton (B. R. L ), Saltburn (B. H.), Kilton 

 (B. H.), Staithes (B. H.), Mulgrave (W. D. R.), Mount 

 Grace (B. R. L.). 



Hyalinia (Polita) g-labra, Studer. Wilton (B. R. L.). 



Hyalinia (Polita) alliaria, ^law. Ingleby Greenhow 

 (J. H.), Kildale (J. H.), Great Ayton (B. R. L.), Ingleby 

 Arnclitfe (J. H), Lealholm (G. Roberts), Vvilton (B. R. 

 L.), Saltburn (B. H.), Kilton (B. H.), Staithes (B. H.). 



Hyalinia (Polita) nitidula, Drap. Ingleby Greenhow 

 (J. H.), Kildale (J. H.), Great Ayton (B. R. L.), Ingleby 

 Arncliffe (J. H.), Middlesbrough (T. A. L.), Guisbrough 

 (B. R. L.), Wilton (B. R. L.), Saltburn (B. H.), Kilton 

 (B. H.), Staithes (B. H.). 



var. Helmii, Alder. Near Marske (B. H.). 



Hyalinia (Polita) radiatula, Alder. Ingleby Greenhow 

 (J. H.), Kildale (J. H.), Wilton (B. R. L.), Kirkleatham 

 (B. R. L ), Saltburn (B. H ), Staithes (B. H ), INIulgrave 

 (W. D. R). 



Hyalinia (Polita) PUra, Alder. Ingleby Greenhow (J. H.), 

 Kildale (B. H.), Great Ayton (B. R. L.), Ormesby 

 (T. A. L.), Wilton (T. A. L.), Kilton (B. H,), Saltburn 

 (B. H.), Staithes (B. H,). 



var. marqaritaeea, Jeff. Ingleby Greenhow (J. H.), Kildale 

 (J. H.), Ingleby Arnclitfe (J. H.), Kilton (B. H). 



Hyalinia (Vitrea) cpystallina, Miill. Ingleby Greenhow 



(J. H.), Kildale (J. H.), Ingleby Arnclitfe (J. H.), 

 Ormesby (T. A. I.), Acklam (T. A. L ), Wilton <T. A. L.), 

 Kilton (B. H.), Saltburn (B. H.), Staithes (B. IL). Very 

 common. 



