462 
Maton and Racket in Linn. 
Trans. VIII. p. 138. t. 4. f. 4. 
—Dillwyn’s Conch. p. 638. 
3. gibbosu- Dillwyn’s Conch. p. 605.—Lister’s 
lum. Conch. t. 973. f. 28. 
4. mmimum. Montagu, Test. Br. p. 247. t. 8. 
f. 2. 
2. macula. 
STROMBUS. 
1. tuberculatus. Dillwyn’s Conch. p. 675.— 
Martini’s Conch. IV. p. 327. 
t. 157. f. 1490. 
MUREX. 
1 
_scaber.  Brocchi, p. 448. t. 9. f. 17. 
2, echinatus. Brocchi, p. 663. t. 8. f. 3. 
3. nebula. | Montagu’s Test. Br. p. 267. t. 15. 
f. 6.—Dillwyn’s Conch. p. 743. 
4, Tritonis. Linné Syst. Nat. p. 1222.—Lis- 
ter’s Conch. t. 959. f. 12.— 
Dillwyn’s Conch. p. 727. 
. Erinaceus. Donovan, Br. Sh. I. t. 35.—Dill- 
wyn’s Conch. p. 690. 
6. angulosus. Brocchi, p. 411. t. 7. f. 16. 
4. gracilis. Donovan, Brit. Sh. t. 169. f. 2— 
M. emarginatus.—Dillwyn’s 
Conch. p. 742. 
8. purpureus. Montagu, Test. Br. p. 260. t. 9. 
£. 3.—Dillwyn’s Conch. p. 745. 
Montagu, Test. Br. p. 261. t. 9. 
f. 4.—Dillwyn’s Conch. p. 745. 
muricatus. Montagu, Test. Br. p. 262. t. 9. 
£, 2.—Dillwyn’s Conch. p. 746. 
craticulatus. Broechi, p. 663. t. 14. f. 3.— 
Dillwyn’s Conch. p. 740. 
19. triangularis. Shell tapering, with nine whorls, 
Pl. IX. £18. well defined, transversely stria- 
ted; and the whorls crossed by 
strong yarices, from the body 
to the apex; three rows of them 
are considerably higher than 
the others, Shick gives the shell 
a triangular form. 
13. adversus. Adam’s Microscope, p. 638. t. 14. 
f. 21.-Dillwyn’s Conch. p. 759. 
14. granulatus. Rumphius, t.30. f L.—Dill- 
wyn’s Conch. p. 756. 
15. reticulatus. Gualtieri, t. 58. f. G.—Dillwyn’s 
Conch. p. 758. ; 
16. trunculus, Gualtieri, t. 31. C.—Dillwyn’s 
Conch. p. 684. 
Shell turrited, with five glossy 
whorls, the upper volution 
blunt at the apex, with longitu- 
dinal ribs running from the 
Cr 
9. linearis. 
10. 
in 
17. triplicatus. 
Pl. IX. f. 19. 
> 
GEOLOGY OF THE 
base to the tip of the spire; 
columella with three plaits ; 
beak short and slightly bent. 
Shell turrited, strong, with six 
whorls deeply divided by the 
suture, with seven strongly 
‘ warted longitudinal ribs; fine- 
ly striated transversely; aper- 
ture oblong, beak short ; inner 
lip slightly reflected, with four 
knobs ; outer lip with a row of 
strong teeth within. 
18. dentatus. 
Pl. X. f.1. 
TROCHUS. 
1. Pharonius. Lister, t. 638. f. 26.—Dillwyn’s 
Conch. p. 772. 
Q. corallinus. Adanson’s Senegal, p.183. t. 12. 
f. 4. —Dillwyn, p. 773. 
3. Guineensis. Schroeter Bin, I. p. 712.—Dill- 
wyn, p. 773. 
4. Modulus. Lister, t. 653. f. 52.—Dillwyn, 
p. 775. 
5.tumidus. Montagu, p. 280. t.10. f. 4,.— 
p- 777. Tro. Patholatus, 
6. fasciatus. Schroeter, I. p. 747—Dillwyn, 
. 783. 
7. solaris. ee t. 622. f. 9.—Dillwyn, 
p. 786. 
8. crenulatus. Brocchi, p. 354. t. 4. f. 2. 
9. miliaris. | Brocchi, p. 153. t. 4. f. 1. 
0. tessalatus. Schroeter, I. p. 693.—Dillwyn, 
. 794. 
Dillwyn, p. 782.—Donovan, Br. 
Sh. v. t. 155. f. 3. 
‘Shell conical, umbilicated, with 
five abrupt volutions ; body 
large, in proportion to the 
other whorls; a deep grove 
runs spirally from the outer 
__ lip to the apex, in the: centre 
of the volutions ; above which 
is a regular row of large tuber- 
cles ; the whole shell is spiral- 
ly striated ; and above the tu- 
bercles there are regular spots 
of a yellowish brown. Diam. 
ths, length the same. 
. cinereus. 
12. torosus. 
Pi KO. 
TURBO. 
1. acutus. Risso in Jour. des Mines, No.200. 
Aout 1813. p. 6. Rissoa acuta. 
Risso in Journal des Mines, p. 6. 
Rissoa violacea. 
Risso in Journal des Mines, p. 7. 
Rissoa plicata. 
2. violacea. 
8. Rissoa. 
4. costatus. 
