CONOVULUS. 197 



The animal is yellowish tinged with grey. 



This variety is found in brackish marshes about the 

 estuaries of rivers, as in the Thames, as high as Greenwich, 

 where it occurs in company with Assiminea Grayana, and 

 furnished the subject of some of Mr. Berkeley's excellent 

 researches ; in the Avon, near Bristol, and on the banks of 

 the Severn. 



SPURIOUS. 

 C. Bullaoides, Montagu. 



Voluta Bullaoides, Mont. Test. Brit. Suppl. p. 102, pi. 30, f. 4. — Turt. Conch. 



Diction, p. 254. 

 Tomatella „ Ferus. Tabl. Syst. p. 108. 

 Auricula „ Gray, Annals of Philos. 1825, name only. 

 Melampus Bulla, Lowe, Zool. Journ. vol. v. p. 293 (no descr.). 

 Detracia Bullaoides, Gray, Turt. Manual, p. 20 (as spurious). 

 Auricula cingulata, C. Pfeif. Wiegm. Archiv. Nat. 1840, p. 251, teste Kuster, 

 Conch. Cab. I. sec. 16, p. 40, pi. 6. f. 4, 5, 6. 

 „ oliva, D'Orbig. Cuba Moll. pi. 1 3, f. 8, 9. 10. 



A native of St. Vincent's, admitted as British by Montagu, on 

 /he authority of the Portland collection. 



O. pusillus, Gmelin. 



Voluta pusilla, Gmel. Syst. Nat. p. 343G (from Mart. Conch. Cab. vol. ii. pi. 43, 



f. 446'). — Dillw. Recent Shells, vol. i. p. 507. 

 Voluta triplicata, Donov. Brit. Shells, vol. iv.pl. 138. — Mont. Test. Brit. Suppl. 

 p. 99. — Turt. Conch. Diction, p. 253. — Fleming, Encycl. 

 Edin. pi. 203, f. 13.— Dillw. Recent Shells, vol. i. p. 507.— 

 Wood, Index Testae, pi. 19, f. 19. 

 Auricula nitens, Lam. Anim. s. Vert. (ed. Desh.) vol. viii. p. 332 (probably,) 

 from which Melampus ovulum, Lowe, Zool. Journ. vol. v. 

 p. 289. 

 Auricula ovula, Potiez and Mich. Gal. Douai Moll. vol. i. p. 204, pi. 20, f. 13, 14. 

 Tr ■alia pusilla, Gray, Manual L. and F.W. Shells, p. 21, as spurious (no descr.). 



A native of the Antilles, introduced by Donovan, because Da 

 Costa had erroneously supposed it to be identical with one of 

 Walkers figures; supposed also, wrongly, to be a native of 

 Guernsey. The Acteon triplicatus of Fleming (Brit. Anim. 



