402 MURICID^. 



— Blainv. Man. Malacol. pi. 22, f. 4 ; Faune Fmnq. 

 Moll. p. 169, pi. 6, c, f. 2, 3.— SowERBY, Genera Shells. 

 Bucc. f. 1, 2. — KiENER, Coq. Vivant. Bucc. p. 3, pi. 2, 

 f. 5 ; transl. Storer,p. 3. — Sowerby (Jun.), Conch. Man. 

 f. 421.— SwAiNSON, Malacology, f. 71, c, at p. 301. — 

 Gould, Invert. Massach. p. 305. — Dekay, New York 

 Moll. p. 130, f. 161.— CuviER, Regne Anim. (ed.Croch.) 

 pi. 53, f. 1 . — Reeve, Conch. Icon. vol. iii. Buc. pi. 1, f. 3. 

 Buccinum striatum, Penn. Brit. Zool. ed. 4, vol. iv, p. 121, pi. 74, f. 91. 



„ canaliculattitn, vulgare. Da Costa, Brit. Conch, p. 122, pi. 6, f. 6. 

 Tritonium jindatum, Mui.i.er, Zool. Danic. pi. 50. — Middend. IMalac. Ross. 



pt. 2, p. 151, pi. 4.f. 1,2,3. 

 Biuxinum Bornianum, Chemnitz, Conch. Cab. vol. ix. p. 57, pi. 105, f. 892, 

 893 (from Born, Test. pi. 9, f. 14, 15) sinistral. 

 „ carinatum, (not of Phipps, Gmel. Dilhv.) Turt. Conch. Diction, p. 13, 

 f. 94, from which Fleming, Brit. Anim. p. 343, and 

 Blainv. Faune Fran<j. Moll. p. 171 (deformed). — 

 Brown, 111. Conch. G. B. p. 126, pi. 57, upper f. 18. 

 „ acuminatum (abnormal variety), Broderip, Zoolog. Journ. vol. v. 

 (1830), p. 44, pi. 3, f. 1, 2. — Brit. Marine Conch, 

 p. 215.— Brown, 111. Conch. G. B. p. 4, pi. 3, f. 5, 6. 

 — Reeve, Conch. Icon. vol. iii. Buc. pi. 1, f. 4. 

 „ AngUca7ium, Fleming, Brit. Animals, p. 243. — Macgilliv. Moll. 

 Aberd. p. 1G4. — Brown, 111. Conch. G. B. p. 4, pi. 4, 

 f. 1 1 ; and pi. 3, f. 2, 3. 

 „ from Zetland, Forbes, Mag. Nat. Hist. vol. viii. p. 593, f. 62. 

 „ Lalradorense, Reeve, Conch. Icon. vol. iii. Buc. pi. 1, f. 5. 

 „ imperiale. Reeve, Conch. Icon. vol. iii. Buc. pi. 2, f. 8 (deformed). 

 „ pyramidale. Reeve, Conch. Icon. vol. iii. pi. 13, f. 104. 

 Tritonium Humphreysianum , Lovkn, Index Moll. Scand. p. 12 (from specimen). 

 Murex undatus. Clark, Annals Nat. Hist. 2nd Series, vol, vii. p. 114. 

 Buccinum tencrum (Fossil), Sow. Min. Conch, pi. 486, f. 3. 



The common whelk is one of the most varinblc of 

 Atlantic shells, as well as one of the most widely distri- 

 buted, and is not the less interesting on either account. 

 Its general outline is ovato-conical, passing through va- 

 rious degrees of elongation, from a short, squat, ven- 

 tricose shell to one remarkable for slenderness and grace- 

 ful curvature. These differences in contour may depend 

 on the greater or less ventricosity of the body-whorl, 

 or on the degree of production of the spire. The num- 

 ber of whorls in all the forms is about six, seven, or 



