344 MOLLUSCA. BUCCINLDiE. Buccindm. 



Length an inch and three quarters, breadth rather more than an inch. 

 — Only one specimen has occurred. 



321. B. pictum. — " Shell oval, oblong, glossy, whitish, with 

 ochraceous blotches ; volutions eight, decussate ; outer lip 

 smooth."" 



Purpura picta, Turt. Zool. Journ. ii. 365. t. xiii. f. 8. — British Channel. 



" Length T 4 „ths of an inch, breadth hardly two ; termination of the pillar 

 pointed." — Judging from the drawing, the aperture seems subquadrangular 

 lengthened, with the outer lip nearly straight in the middle. 



-322. B. I'meatum. — Shell smooth, glossy, with numerous 

 spiral bands of brown and white. 



Da Costa, Brit. Conch, p. 130, t. viii. f. 5. Pult. Dorset. 41. Don. Brit. 

 Shells, t. xv. Mont. Test. Brit. 245 — B. pediculare, Lam. Syst. vii. 

 275. — Southern .coasts of England. 



Length §ths, breadth ith of an inch ; conic, strong ; towards the base of 

 the body whorl the narrow white bands become excavated into spiral striae ; 

 aperture oval, outer lip a little spreading — It is very common among West 

 Indian shells. 



The following shells, being probably the fry of different species, may here 

 be noticed, though the descriptions and accompanying figures of the authors 

 referred to be very imperfect. 



a. B. obtusulum Whorls three, bellied, aperture oval; colour opake white. 



— Walk. Test. Min. 16. t. xi. f. 59 — Faversham. 



b. B. breve Whorls five, longitudinally ribbed, transversely striated, 



opake ; canal short. — Adams, Linn. Trans, iii. 64. t. xiii. f. 3, 4. — Pembroke- 

 shire. 



c. B. minutum. — Whorls three, longitudinally ribbed ; opake, white. — 

 Adams, Linn. Trans, iii. 64. t. xiii. f. 5, 6 — Pembrokeshire. 



d. B. lave Whorls three, smooth, body whorl large ; aperture oval ; ca- 

 nal lengthened, — Adams, Linn. Trans, iii. 64. t. xiii. f. 7, 8 — Pembrokeshire. 



e. B. obtusissimum — "Whorls three, smooth ; aperture contracted ; canal 

 lengthened — Adams, Linn. Trans, iii. 65. t. xiii. f. 9, 10 — Pembrokeshire. 



EXTINCT SPECIES. 



1. B. elongatum. — Shell ovate-elongated, transversely striated; whorls 7, 

 rather convex, longitudinally undulated ; outer lip obscurely crenulated 

 within ; mouth oval, with a short recurved canal. — Sower. Min. Conch, t. ex. 

 f. 1 — Crag. 



2. B. rugosum — Shell ovate-elongated, obtuse, transversely striated ; spire 

 with 12 or 14 angles ; whorls five, prominent ; aperture obovate ; latter 

 whorl rugged Sower. Min. Conch, t. ex. f. 3 Crag at Holywell. 



3. B. reticosum. — Shell oblong-ovate, acute, reticulated ; whorls 6, with 

 the upper and lower parts rounded, and sides flattish ; outer lip toothed 

 within. — Sower. Min. Conch, t. ex. f. 2. — Crag at Holywell. 



4. B. ulcatum.— Turreted, acute, transversely furrowed ; whorls ventri- 

 cose ; aperture ovate; lip toothed within, thickened by age. — Sower. Min. 

 Conch, t. eclxxv. f. 2, and t cccclxxvii. f. 4.— In Crag, Kamsholt. 



