PLATE XLIX. 
Fig. 1. CASSIDARIA l^ve. 
Cassidaria laeve, Brown's MSS. ' 
Buccinum laeve, Adams in Linn, Trails, iii. pi. 13, fig. 7> 8. — Mont. Test. Biil.p. 251 — Mat. and Rack, in Linn. 
Trans, viii. p. 140. 
Fig. 2. CASSIDARIA minuta. 
Cassidaria minuta. Brown's MSS. 
Buccinum minutum, Adams in Linn. Trans, iii. pi. 13, fig. 5, 6.—Mo7it. Test. Bril. p. 250. — Mat. and Rack, in 
Linn. Trans, p. 140. 
Fig. 3. CASSIDARIA obtusa. 
Cassidaria obtusa. Brown's MSS. 
Buccinum obtusissimum, Adams in Linn. Trans, iii. pi. 13, fig. 9, 10. — Mont. Test. Brit. p. 251. 
Fig. 4.. PURPURA LAPiLLus. 
Purpura lapillus. Lam. Syst. vii. p. 244. 
Buccinum lapillus, Mont. Test. Brit. p. 239 — Penn. Brit. Zool. iv. pi. 72, fig. 89 — Brown in Ency. Brit. vi. p. 441 . 
—The ordinary variety, with the outer lip thick. Found on most rocky shores. 
Fig. 5. PURPURA LAPILLUS. 
PuBPUBA lapillus, Penn. Brit. Zool. iv. pi. 72, fig. 89, 3d.— With outer lip thin, and the body and spires fasciated. 
Fig. 6. PURPURA lapillus. 
Purpura Anglicanae, Lister's Conch, pi. 965, fig. 18.— Lister does not say from whence he obtained this singular 
variety. 
Fig. 7. PURPURA lapillus. 
Purpura lapillus.— A variety with outer lip thin, and devoid of the strong spiral striae. This variety is very com- 
mon of all colours, adhering to the pillars of the bridge at Montrose. 
Fig. 8. BUCCINUM undatum. 
Buccinum undatum. Lam. Syst. vii. p. 263. — Mont. Test. Brit. p. 237 — Penn. Brit. Zool. iv. pi. 73, fig. 90. — Don. 
Brit. Sh. pi. 104 — Brown i?i Ency. Brit. vi. p. 443 — This was figured from a fine and large specimen in the 
cabinet of John Nicol, Esq. 
Fig. 9, 10. BUCCINUM undatum. 
Buccinum undatum.— A reversed lusus. Found by Walter Calverly Trevelyan, Esq. at Ramsgate In the ca- 
binet at Wallington. 
Fig. 11. BUCCINUM anglicanum. 
Buccinum Anglicanum, Lain. Syst. vii. p. 264. 
Buccinum striatum, Pemi. Brit. Zool. iv. p. 121. — List. Angl. p. 157, pi- 3, fig. 3 — This shell lias been long sup- 
posed to be only a variety of the B. undatum. It is common on the whole western coast of Great Britain and 
east coast of Ireland, but is seldom met with on the east coast of Britain. 
Fig. 12, 13. BUCCINUM glaciale. 
Buccinum glaciale, Don. Brit. Sh. pi. 154 — Mont. Test. Brit. Sup. p. 109. — Mat. and Rack, in Linn. Trans, viii. 
p. 136.'— Brown in Ency. Brit. vi. p. 442.— Tnrton in Zool. Jour it. ii. p. 564.— Taken alive at Torbay. 
