462 



GEOLOGY OF THE 



2. macula. 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. minimum. Montagu, Test. Br. p. 247. t 8. 



£2. 

 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. Linne Syst. Nat. p. 1222. — Lis- 



ter's Conch, t. 959. f. 12.— 

 DihVyn's Conch, p. 727. 



5. Erinaceus. Donovan, Br. Sh. I. t. 35. — Dill- 



wyn's Conch, p. 690. 



6. angulosus. Brocchi, p. 411. t. 7. £ 16. 



7. gracilis. Donovan, Brit. Sh. t. 169. f. 2. — 



M. emarginatus. — Dillwyn's 

 Conch, p. 742. 



8. purpureus. Montagu, Test. Br. p. 260. t. 9. 



f. 3.— Dillwyn's Conch, p. 745. 



9. linearis. Montagu, Test. Br. p. 261. t. 9. 



f. 4. — Dillwyn's Conch, p. 745. 



10. muricatus. Montagu, Test. Br. p. 262. t. 9- 



f. 2. — Dillwyn's Conch, p. 746. 



11. craticulatus. Brocchi, p. 663. t. 14. f. 3. — 



Dillwyn's Conch, p. 740. 



12. triangularis. Shell tapering, with nine whorls, 

 PI. IX. f. 18. well defined, transversely stria- 

 ted; and the whorls crossed by 

 strong varices, from the body 

 to the apex; three rows of them 

 are considerably higher than 

 the others, which gives the shell 

 a triangular form. 



13 adversus. Adam's Microscope, p. 638. 1. 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. 



17. triplieatus. Shell turrited, with five glossy 

 PI. IX. f. 19- whorls, the upper volution 



blunt at the apex, with longitu- 

 dinal ribs running from the 



18. dentatus. 

 PI. X. f. 1. 



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 



TROCHUS. 



1. Pharonius 



strong teeth within. 



-Dillwyn's 



2. corallinus. 



Lister, t. 638. f. 26 



Conch, p. 772. 

 Adanson's Senegal, p. 183. 1. 12. 



f. 4.— Dillwyn, p. 773. 



3. Guineensis. Schrceter Einl. 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. Schrceter, I. p. 747. — Dillwyn, 



p. 783. 



7. Solaris. Lister, 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. 



10. tessalatus. Schrceter, I. p. 693. — Dillwyn, 



p. 794. 



11. cinereus. Dillwyn, p. 782. — Donovan, Br. 



Sh. v. 1. 155. f. 3. 



12. torosus. Shell conical, umbilicated, with 

 PI. X. f. 6. 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. 

 fths, length the same. 

 TURBO. 



1. acutus. Risso in Jour, des Mines, No.200. 



Aout 1813. p. 6. Rissoa acuta. 



2. violacea. Risso in Journal des Mines, p. 6. 



Rissoa violacea. 



3. Rissoa. Risso in Journal des Mines, p. 7. 



Rissoa plicata. 



4. costatus. 



