PLATE XIX. 



Nassa, 

 Fig. 

 1, N- reticulata, Linn. (Buccimim.) — N. pullus, Tritonium r,— Brit, 



and Eu. co, generally. Littoral, Co. 

 &. N. inorassata, Muller, (Bucoinum.) — N, and B. minutum, macula, 

 asperulum, etc,-— -Brit, shores generally, to 50 fath., gravel, C, 



3. N. PYGii^EA, Lamh. (Ranella.)-—B. tuberculatum, Tritonia varicosa, 



etc. — S. Brit, co., S. Eu., 4 fath. to deep water, C, Small, with 

 white varices on the body, 



Mangelia. 



4. M. turriculata, Mont, (Murex.) — Bela, Fusus, and Pleurotoma 



angulatus, etc.— Brit, co, generally, 3 to 100 fath., N. Eu., C. 

 Whorls flat above. 



5. M. Trevelliana, Turt. — Pleurotoma, Bela, and M. reticulata, de* 



cussata, and leucostoma,— Northumberland, Aberdeen, Zetland, 

 etc., 15 to 40 fath., R. Whorls with angular slope above. 



6. M. rufa, Mont. (Murex.)— F., 31., and B, chordula, Ulideana 



(var.), etc. — Brit. co. generally, Mc, 



7. M. teres, Forbes, {Pleurotoma.)— P, horeale.— -Various loc, 15 to 



50 fath. S. Eu,, Mr. Carinated, aperture deeply notched. 



8. M. purpurea, Mont, (Murex.) — Fusus and Pleu. p., Philberti ver- 



sicolor and variegatum. — Brit. co. gen,, 3 to 60 fath., C. S, Eu, 



9. M. cancellata, Sowerby (Fusus.) — M, purpurea var,, F. asperru 



mus.— Cornwall, Cork, R. Sharply sculptured, 



10. M. reticulatum, Brown, (Pleurotoma.)— M cancellatav&v, — Shet- 



land, Guernsey, Rr. Sculpture between 8 and 9 j inner lip not 

 thickened. 



11. M. Leufroyi, Michaud, (Pleurotoma.) — P., F, and M. inflata, 



Boothii, — Arran, Orkneys, Guernsey, etc. j S. Eu., 5 to 50 fath., 

 Mc, 



12. M. linearis, Mont. (Murex.)— M., Pl„ Fus. elegans, concinna, 



etc. — Brit. co. generally, sand and shells, 1 to 80 fath., C. 



13. M. scabra, Jeffreys, (Pleur.)—M. linearis var.— Guernsey, Ply. 



mouth, R. 



14. M. nebula, Mont. (Murex.)— M.,P., andi?. Bertrandi, variant, and 



pyramidatus.— Various places and depths, N. and S. Eu., C. 



15. M. laevigata, Phil, (Pleu.)—M. nebula var.— South Brit., S. Eu. 



Small, fusiform, shiny, banded. 



16. M. Guinniana, Phil. (Pleu.)—M, nebula var. — Tenby, etc., Mr. 



S. Eu. Whorls longer than No. 14. 



17. M. brachystoma, Phil. (Pleu.)— M> tiarula and Clavatula b.— 



Brit. co. gen., Mr. Turreted ; ribs crossed by raised lines. 



