BULLA. DIPPER. 
19 
1/. Buccinura breve. 
Linn. Trans, iii. pi. 13. f. 3, 4. 
Shell opake, white, with five spires, ribbed longitudi¬ 
nally, and striate transversely : canal very short. 
On the Pembrokeshire coast: minute. 
18. Buccinum minutum. 
Linn. Trans, iii. pi. 13. f. 5, 6. 
Shellopake, white, with three spires ribbed longitudinally. 
On the Pembrokeshire coast: minute. 
19. Buccinum lseve. 
Linn. Trans iii. pi. 13. f. 7S. 
Shell opake, white, smooth, with three spires ; the first 
more inflated than tho next: aperture ova!,with a long beak. W N > g 
On the Pembrokeshire coast: minute. 
£0. Buccinum obtusissimum. 
Linn. Trans, iii. pi. 13. f. 9, 10. 
Shelf opake, white, smooth, with three spires; the first not 
mere tumid than the next: beak longitudinally contracted. ^ 
On the Pembrokeshire coast: minute. 
BULLA. DIPPER . 
Shell with a single convolute valve* without 
teeth: aperture mostly contracted* reaching nearly 
or the whole length of the shell* without a canal, 
and entire at the base ; pillar-lip oblique* smooth. 
9 1. Bulla lignaria. Wood Dipper. 
Lister , pi. 714. f. 71— Pennant , pi. 73, middle fig.— Da 
Costa , pi 1. f. 9— Donovan , pL 27— Dorset Cat. pL 23. f.9. 
Shell oblong-oval, thin, brittle, semitransparent, yel¬ 
lowish or chesnut brown, with numerous fine pale trans¬ 
verse lines which run rather obliquely, and a few obscure 
longitudinal ridges, sometimes with one or two white ob- 
fique long tudinal bauds; inside white, glossy, with a very 
thin outer margin: aperture wide, oval, narrowed towards 
the crc‘ r n which is slightly concave at top: pillar-lip 
smooth, spreading on the body of the shell, white with 
,'' ’ . ' , , qften 
