PLATE XXIV. 



BuLiMus. Long Snail. 

 Fig. 



1. B. Lackhamensis, Mont. — B. montanus, Montandi, Eua montana. 



— Kent, Surrey, Gloucester, Selborne, N. and S. Eu., R. as Brit. 

 Shagreened. 



2. B. OBSCURUS, Mailer. — Turio nipium, B. Jwrdaccus, etc. — C. and 



general. Surface smooth. 



3. 4. B. ACUTOs, Mailer. — Helix harhara, B. cretacea, articulatus, 



Turbo fasciatiis, etc. — On sand arid limestone in marine neigh- 

 bourhoods, C. 



PoPA. Small Snails, among Moss, stones, etc. 



5. P. SECALE, Brap. — Turbo, Helix, CJionclrus, and Vertigo jzmiperi 



and ci)Unclricus. — S. Engl., Channel Isls., C. S. Eu. Larger 

 and more tapering than the other sp. 



6. P. UMBiLiCATA, Brap. — Turbo, Bulimus, Helix, and P. muscorum, 



cylindraceus, bidentata, etc. — C. and general, Eu. Mouth oblique, 

 long, one tooth. 



7. P. MuscoEUM, Linn. — T., P., H., B. marginata, clirysalis, uniden- 



tatns, etc. — C. and gen. A rib behind the outer lip. 



8. P. ANGLiCA, Fe'nissac. — Vertigo, Turbo, and P. a. and ringens. — 



Scarborough, Newcastle, Guernsey, etc., Mr. More cylindrical 

 than 5. 



9. P. EDENTULA, BrajJ. — H. exigua. Vertigo, Helix, and Jamimia e., 



nitida, etc. — C. and gen. No teeth in aperture ; smooth. 



10. P. MiNUTissiiiA, Hartmann. — P., Vertigo, Jlem c//lindrica, obtusa, 



muscorum, etc. — Bristol, Salisbury, Skye, etc., R. as Brit. ; C. in 

 S. Eu. No teeth in aperture ; striated. 



11, 12. P. PYGM^A, Brap. — P., T, V., H., Alcea, etc., sexdentatus, 



(juinquederdatus, vulgaris, etc. — The lighter variety, P. alpestris, 

 G. and general. Pour or five teeth. 



13. P. SUBSTRI ATA, ./?//>(?'/*. — Vertigo, Turbo, Alcea sexdentata, curta, etc. 



— C. and gen. Very cylindrical ; sis teeth ; striated. 



14. P. ANTIVERTIGO, Brap. — P., v., Alcea octodentata, septemdentata, 



paluslris, etc. — Near Swansea and London ; Bristol, Devon, 

 Northumberland, Ayr, Mr. Leland. Aperture subtrigonal, 

 eight or nine teeth. 



15. P. PDSiLLA, Mailer. — Helix vertigo, and V. heterostropha. — S. 



Wales, Northumberland, Belfast, etc., Mc. Sinistral, with seven 

 teeth. 



16. P. Yenetzii, Ckarpeniier. — Turbo, Vertigo, and P. vertigo and aiigus- 



tior. — Swansea, Cork, Clare, R. Sinistral; four teeth and a 

 flat fold on columella. 



