BtTcciNUM. MOLLUSCA. BUCCINIDiE. ■ 343 
spiral ridges and intermediate striae,, crossed by the lines of 
growth, and waved furrows on the upper whorls. 
B. crassum rufescens, List. An. Ang. 156. t. cxi. f. 2, 3. Conch, t. cccclxii. 
f. 14, 15. Linn. Syst. i. 1204. — B. und. and striatum, Penn. Brit. 
Zool. 121. t. Ixxiii. f. 90, t. Ixxiv. f. 91 — B. und. Mont. Test. Brit. 
237 — Common beyond low water-mark. 
Length from 3 to 5 inches, breadth upwards of 2 ; shell white, sometimes 
tinged with brown or pink, the cuticle is brown, with numerous longitudinal 
ridges of short hairs ; whorls rounded ; the body whorl of the female large 
in proportion ; the spiral ridges are crossed by the lines of growth. — This 
species is used as a bait, and caught in baskets in which carrion is placed. 
317. B. glaciale. — Whorls nine, tapering, obsoletely striated 
spirally, finely striated longitudinally ; upper whorls with lon- 
gitudinal waved furrows, the body whorl with a spiral ridge. 
Linn. Syst. i. 1204. Don. Brit. Shells, t. cliv In the north seas, rare. 
Length about 2 inches, breadth less than 1 ; white, with a reddish tinge, 
the keel on the body whorl vanishes on the superior ones ; this shell is more 
produced, and the longitudinal furrows better marked, than in the preceding 
species — It appears to have been found in Orkney by Mr Agnew, gardener 
to the Duchess of Portland. I possess a slightly mutilated specimen, which 
I found in Zetland. 
318. B. carinatum.‘ — Shell oblong, oval ; whorls seven, thin, 
inflated with an elevated circular rib at the top of each, from 
which they suddenly slope to the separating line. 
TtiA!'t. Conch. Diet. 13. t. xxvi. f. 94. — Irish coast, Mr O’Kelly and Mr 
Tardy. 
Length 4| inches, breadth 2i ; white, with a broad rufous band round the 
middle of each whorl ; spirally and longitudinally striated, with obsolete 
longitudinal ribs ; the body whorl is swollen, but the upper ones are flat- 
tened ; aperture dilated ; outer lip with a thick edge, inner lip smooth and 
spread on the pillar. 
319. B. angUcanum. — Shell thin ; whorls eight, strongly 
striated spirally with waved longitudinal ridges on the upper 
part of the whorls ; lower part of the b^y whorl nearly 
smooth. 
List. Conch, t. Dcccclxiii. f. 17 B. ang. Lam. Syst. vii. 264.— -B. Hum- 
phreysianum, Bennet., ZooL Journ. i. 398, t. xxii — Zetland and Cork. 
Length 2 inches, breadth 1 inch ; shell white ; the cuticle brown, pilose, 
sometimes with reddish-brown spiral bands ; whorls slightly rounded, and a 
little depressed above towards the separating line ; the spiral striae seem to 
vary in size as well as the longitudinal furrows, in different specimens ; the 
striae produced by the lines of growth are numerous and fine ; aperture 
ovate ; pillar smooth or wrinkled. — In 1809, I found two specimens of this 
shell in Zetland, in a fishing-boat, brought from deep water ; those described 
by Mr Bennet were found in the harbour of Cork by Mr Humphreys. 
320. B. o'vum. — Shell oval, inflated, thin, ivory white, 
smooth ; volutions six, tumid ; outer lip thin and smooth, 
Turton^ Zool. J ourn, ii, 366, t, xiii. f. 9.— Plymouth Sound.. 
