PLATE XXII. 



SucciNEA. Amphibious. 

 Fig. _ ^ 



1. S. puTRis, Linn. [Helix.) — //., S., and Limnaa Succinea and am- 



phihia. — On plants by the side of rivers, ditches, etc., C. Eather 

 oval in form. 



2. S. GRACILIS, Alder. — S. putris, var. gracilis, S. ampJiiMa, var. 



Pfeifferi. — By sides of streams and in damp meadows, C. Elon- 

 gated, with spire produced. 



3. S. OBLONGA, Drap. — Helix elongata, Amphihulina o. and e. — 



Swansea, Glasgow, etc. Sometimes at a distance from water, E. 

 Spire with more distinct whorls. 



CoNOTULUS. Partly marine, amphibious. 



4. C. BIDENTATUS, Motit. {Voluta.) — C, N., Actaon, anA Aimcula alba 



(var.) and erosa. — Salt-water marshes, and on rocks near high- 

 water mark all round our coasts, C. No tooth on outer lip. 

 .5. C. Mysotis, Brap. — C. denticulafiis, var., etc. — Brackish marshes, 

 Thames, etc., C. Outer lip with one tooth. 



6. C. DENTicuLATUs, Mont. [Voluta.]- — C, v., Auricula, and Actceon 



ringens, reflexa (var. f. 7), Mysotis, and personata. — Numerous 

 places, near the sea, C. Outer lip with many teeth. 



7. C. REPLEXUS. — Auricula rejlexa, C. denticulatu, var. Jeffreys. 



.Cakychium. 



8. C. MINIMUM, MUller. — Turbo Carj/cJiium, Auricula minima. — Moist 



places, wet Mosses, etc. Generally distr., C. 



LiMAX. Land Slug, with shell under shield. 



9. L. ciNEREUS, Mailer. — L. maximiis, maculatus, Limacella parma. 



Brit, gen., C. ; Eu. Shell oval, large, thin. 



10. L. AGRESTis, Mailer. — L. concava and ohUquus. — Brit, gen., C. 



Foss cr. Shell small, oblique. 



11. L. BRUNNEus, Brap. — L. concava. — Under stones, etc. Shell 



minute, square. 



12. L. ELAVUS, Linn. — Limacella unguiculata and variegata. — The 



large Cellar Slug. Shell thick, rather square. 



Testacella. Slug with shell or tail. 



13. T. Maugei, Fe'russac. — Clifton, Taunton, Plymouth, Swansea, etc., 



Mr. Large, and more sijuare than 14. 



