PLATE XXIV. 



Bulimus. Long Snail. 

 Fig. 



1. B. Lackhamensis, Mont. — B. montanus, Montacuti, Ena montana. 



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

 Shagreened. 



2. B. obscurus, Miiller. — Turbo rupium, B. hordaceus, etc. — C. and 



general. Surface smooth. 



3. 4. B. acutus, Miiller. — Helix barbara, B. cretacea, articulatus, 



Turbo fasciatus, etc. — On sand and limestone in marine neigh- 

 bourhoods, C. 



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



5. P. sec ale, Drap. — Turbo, Helix, Chondrus, and Vertigo juniperi 



and cylindricus. — S. Engl., Channel Isls., C. S. Eu. Larger 

 and more tapering than the other sp. 



6. P. umbilicata, Drap. — Turbo, Bulimus, Helix, and P. muscorum, 



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

 long, one tooth. 



7. P. muscorum, Linn. — T, P., H, B. marginata, chrysalis, uniden- 



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



8. P. anglica, Ferussac. — Vertigo, Turbo, and P. a. and ringens. — 



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

 than 5. 



9. P. edentula, Drap. — H. exigua, Vertigo, Helix, and Jamimia e., 



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



10. P. minutissima, Hartmann. — P., Vertigo, Alcea cylindrica, obtusa, 



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

 S. Eu. No teeth in aperture ; striated. 



11, 12. P. pygmjsa, Drap. — P., T, V, H, Alcea, etc., sexdentatus, 



quinquedentatus, vulgaris, etc. — The lighter variety, P. alpestris, 

 C. and general. Four or five teeth. 



13. P. substriata, Ji^V^/s. — Vertigo, Turbo, Alcea sexdentata, curta, etc. 



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



14. P. antivertigo, Drap. — P., V., Alcea octodentata, septemdentata, 



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

 Northumberland, Ayr, Mr. Ireland. Aperture subtrigonal, 

 eight or nine teeth. 



15. P. pusilla, Miiller. — Helix vertigo, and V. /leterostrop/ia.—S. 



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

 teeth. 



16. P. Venetzii, Charpentier. — Turbo, Vertigo, and P. vertigo and angus- 



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

 flat fold on columella. 



