Fig. 



18. M. NANA, Loven, [Tritomum.) — Fusus alhus. — ^Lerwick, Zetland, 



Orkneys, etc., 45 fath., and deep, R. Ventricose, cancellated. 



19, 20. M. STRiOLATA, Scacchi, {Pleu.) — P. and Murex Smithii, Far- 



rmiti. — S. Devon, Clyde, Guernsey, Bantry, etc., Medit., R. as 

 Brit. Ribs angularly curved above. 

 21, 22. M. cosTATA, Pennant, {Murex.) — Buccinum, Fusus, PL c, etc. ; 

 var. f. 22, M. Me(ca(/ei.— Brit co. generally, 5 to 50 fath., N. and 

 S. Eu., C. Body-whorl larger than No. 24. 



23. M. coAECTATA, Forbes. — PL, M. costata var., B. M. — Distribution 



as 21 and 22 ; not so common. 



24. M. SEPTANGOLARis, Mont. [Murex.) — J/., F., and PL costatns, kep- 



tagona, etc. — Torbay, Bristol Channel, Porth, Galway, 5 to 30 

 fath., Mc. 



25. M. ATTENUATA, Mont. (Murex.) — M. aciculatus, PL gracilis, Vil- 



liersii, etc. — S. Devon, Oban, Hebrides, Cork, etc., Mr, S. Eu. 



26. M. GRACILIS, Mont. {Murex.) — M. emarginatus, suturalis, elegans, 



etc., S. Brit., Galway, S. Eu., Mr, 

 M, HoLBOLLii. See Buccinum. 



Erato, 



27. E, LEVIS, Donovan, {Valuta.) — E., Marginella, Bulla, Volvaria, 



and Columbella fusiformis, Cypraola, Donovani, Muscaria, etc. — 

 Brit, CO, generally, 1 to 50 fath.. Mo. 



Oypr^a. 



38. C. ECROP^A, Mont. — Cypr. and Trivia, Pediculm arctica, hullata, 

 and dlaphana. — Brit, co, generally, to 50 fath,, C. 



