RISSOA. 149 



Alvafiia Freminvillea, Risso, H. N. Europe Mer. vol. iv. p. 141, f. 118 ? 



Rissoa cancellata, Desm. Bullet. Soc. Philomat. Paris, 1814, pi. 1, f. 5 ? — Pay- 



HAUD. Cat. Moll. Corse, p. 111. — PoTiEzand Mich. Galerie 



de Douai, vol. i. p. 267. — Desh. Lam. Anim. s. Vert. (ed. 



Desh.) vol. viii. p. 464. 



Cingida calatJiiscus, Fleming, Brit. Animals, p. 305. — Brit. Marine Conch. 



p. 174. 

 Rissoa granulata, Philippi, Moll. Sicil. vol. i. p. 153. 



„ calatMsca, Brown, lUust. Conch. G. B. p. 10, pi. 9, f. 4. 



A Mediterranean shell; figured hy Montagu, as taken hy 

 Laskey at Jura. 



Although ive know it to he the cimex of LinncBus, we hesitate to 

 adopt his name, as neither his description, nor the figures he cited, 

 adequately indicate what species he intended. 



R. Bryerea, Montagu. 



Turbo Bryereiis, Mont. Test. Brit. p. 313, pi. 15, f. 8 ; Suppl. p. 124.— Maton 



and Rack. Trans. Linn. Soc. vol. viii. p. 172. — Rack. 



Dorset Catalog, p. 50, pi. 19, f. 7. — Turt. Conch. Diction. 



p. 214. — DiLLW. Recent Shells, vol. ii. p. 858. — Wood, 



Index Testaceolog. pi. 31, f. 102. 

 „ costatus, DoNOV. Brit. Shells, vol. v. pi. 178, f. 3. 

 Cingula Bryerea, Fleming, Brit. Animals, p. 307. — Brit. Marine Conch, p. 178. 

 Rissoa Chesnelii, Michaud, Nouv. Esp. de Riss. p. 17, f. 23, 24 ; Desh. Anim. 



s. Vert. vol. viii. p. 483, probably. 

 „ Bryerea, Macgilliv. Moll. Aberdeenshire, p. 341. — Brown, Illust. 



Conch. G. B. p. 11, pi. 9, f. 78. 

 Nassa Bryerii, Brown, Illust. Conch. G. B. p. 5 (not figured). 



A well-knotvn West Indian species, introduced hy Montagu as 

 taken by Laskey at Weymouth. Deshayei description of R. pusilla 

 {Anim. s. Vert. vol. viii. p. 479) agrees ivith it in most particxdars. 

 The variety with ten or tivelve, instead of seventeen or eighteen, ribs, 

 alluded to hy Montagu, and referred to hy succeeding copyists, is 

 not improhably a distinct species. 



R. DENTicuLATA, Montagu. 



Turbo denticulatus, Mont. Test. Brit. p. 315. — Maton and Rack. Trans. Linn. 



Soc. vol. viii. p. 173 Turt. Conch. Diction, p. 213. — 



DiLLW. Recent Shells, vol. ii. p. 859. — Wood, Index 

 Testaceolog. pi. 31, f. 104. 



