50 
MOLLUSCA. 
Buccinum. 
appearance of a sinus ; outer lip thickened, internally toothed, 
and a little straitened in the middle externally ; basal sinus 
slightly curved, varying in size from a quarter to nearly three 
quarters of an inch. 
Found in the Crag at Ipswich. 
3. Ik rugosum. — The Rough Buccinum, pi. XXXII. 
%-H- 
Buccinum rugosum . Sowerby, Min. Conch. 11. p. 16, 
pi. 110, fig. 3. Fleming, Brit. An. p. 344. 
Shell oblong-ovate ; volutions of the spire prominent, and 
longitudinally ribbed, with wide-set transverse striae; aper¬ 
ture obovate, about a third the length of the shell, somewhat 
widened below; the sinus of the beak hardly recurved ; 
columella smooth. 
Found in the Crag at Holywell. 
4. B. ? imbricatum. — The Imbricated Buccinum, pi. 
XXXII. fig. 10. 
Buccinum imbricatum. Sowerby, Min. Conch. VI. p. 127, 
pi. 566, fig. 2. 
Shell ovate, spire short, consisting of four or five slightly 
inflated volutions, with obtuse upper margins, which closely 
embrace the volutions; the whole shell provided with obscure 
longitudinal striae ; aperture oblong-ovate, and half the length 
of the shell. 
Found in the Mountain Limestone at Bradley, near New¬ 
ton-Bushel, Devonshire. 
5. B. tenerum. —The Tender Buccinum, pi. XXXII. 
fig. 12, 13. Fleming, Brit. An. p. 345. 
Shell ovate, thin, spire consisting of four or five somewhat 
inflated volutions, with longitudinal imbricated and arcuated 
undulations; crossed by coarse, irregular, wide-set stria*; 
beak antiquated ; columella smooth ; aperture oblong-ovate, 
slightly narrowed above. 
Found plentifully in the English Crag. 
6. B. reticosum. —The Reticulated Buccinum, pi. XXXII. 
fig. 15. 
Buccinum reticosum. Sowerby, Min. Conch. II. p. 17, 
pi. 110, fig. 2. Fleming, Brit. An. p. 344. 
Shell oblong-ovate ; spire short, consisting of six volutions 
abruptly tapering to a point; outer surface strongly reticula¬ 
ted with longitudinal and transverse striae; aperture short, 
somewhat ovate, contracted above, and with a recurved sinus 
below ; columella smooth, and broadly reflected on the body ; 
outer lip even, toothed and striated within; the greatest 
width of the shell only half its length. 
Found in the Crag at Holywell. 
7. B. globulare. —The Globular Buccinum, pi. XXXII. 
%. 1G. 
Buccinum globulare. Phillips, Geo. of Yorkshire, II. 
p. 230, pi. 16, fig. 15. 
Shell subglobular, consisting of six much inflated, well 
defined volutions ; spire small in proportion to the size of the 
body, and terminating in an obtuse apex, with wide-set, 
nearly obsolete spiral stria? ; aperture subrotund ; columella 
with a slight notch near its centre ; outer lip plain. 
Found at Bolland, Queen’s County, Ireland. 
8. B. glabratum. — The Smooth Buccinum, pi. XXXII. 
fig. 19. 
Eburna glabrata. Parkinson, Organic Remains, III. 
p. 59, pb 5, fig. 25. 
Shell ovate, tumid, smooth ; body very large ; spire very 
small, consisting of three rounded volutions, terminating in 
an obtuse apex; aperture oblong-ovate, narrowed above ; 
columella thickened and glabrous; outer lip thin, and 
plain at the margin; beak short, with a few indistinct 
plications. 
Found in the Crag, Essex. 
9. B. Da lei. —Dale’s Buccinum, pi. XXXII. fig. 26, 27. 
Buccinum Dalci. Sowerby, Min. Conch. V. p. 139, 
pi. 486, fig. 1, 2. 
Shell ovate, thick, smooth, sometimes with indistinct sulci 
on the back, near the outer lip ; spire short, consisting of 
four inflated sulcated volutions, well defined by a deep 
suture, and terminating in an obtuse apex ; aperture ovate, 
contracted above; columella rather broad, spreading on the 
body, and somewhat recurved at the edge ; outer lip plain on 
the margin ; canal very short. 
Found in the Crag, Suffolk. 
There are two varieties of this fossil,— a, ventricose, and 
but seldom sulcated, as in our figure ; /3 elongated, and 
more or less sulcated. 
10. B. labiatum. — The Thick Lipped Buccinum, 
pi. XXXII. fig. 22, 23. 
Buccinum labiatum. Sowerby, Min. Conch. V. p. 11, 
pi. 412, fig. 1, 2. 
Shell acuminated, with twelve or thirteen long, curved, 
prominent ribs, crossed by numerous strong elevated, alter¬ 
nately large and small striae ; spire consisting of about six 
broad, inflated volutions, which are slightly concave above, 
and terminating in an acute apex ; body longer than the 
spire; aperture oblong, a little angular above; columella 
smooth; beak wide, open, and twisted; outer lip thin, and 
acute at the edge, and somewhat expanded, and incurved in 
the centre, and internally striated. 
Found in the upper Marine formation, Colwell Bay, Isle 
of Wight; Plumsted ; and on the Hampshire coast. 
11. B. elongatum. — The Elongated Buccinum, 
pi. XXXII. fig. 21. 
Buccinum elongatum . Sowerby, Min. Conch. II. p. 15, 
pi. 110, fig. 1. Fleming, Brit. An. p. 344. 
Shell considerably elongated, more than twice its greatest 
diameter ; consisting of seven or eight somewhat inflated 
volutions, which arc separated by a well marked suture ; the 
external surface traversed by longitudinal ribs, which are 
most conspicuous on the spire and higher region of the body, 
where they are more undulous than the ribs ; the whole shell 
covered with strong, regular, transverse stria?, which do not 
cross the ribs upon the spire, but become obsolete below; 
aperture oval, not half the length of the shell, with a 
short, recurved sinus, and slightly angular above ; outer lip 
even on the margin, with obscure crenulations internally ; 
pillar lip smooth, and thickest at the base. 
Discovered in the Walton le Stoken Crag-pits, Essex. 
12. B. latus. — The Broad Buccinum, pi. XXXII. 
fig. 29. 
Buccinum latus. Sowerby, Min Conch. I. p. 80, pi. 35, 
lower left hand figure. 
Shell oblong-ovate, consisting of five or six somewhat 
inflated volutions ; spire short, about a third the length of the 
shell, and terminating in an acute apex; surface even, covered 
with transverse, alternately large and small linear striae; 
upper portion of each volution, with slightly oblique undula¬ 
tions ; aperture oblong-ovate; columella smooth, broadest 
above ; outer lip even, entire and smooth on the edge, and 
