184 



Genus 17. Gibbula, Leach. 

 Trochus, sp. Linn. — Steromphala, Leach. — Monodonta, sp. Lam, 



1. Gibbula magus, Linn. 



Trochus magus, Linn. Syst. Nat. ed. 12. p. 1228. — Trochus tuber- 

 culatus, Da Costa. 

 Hab. British Islands. 



2. Gibbula Fanulum, Gmel. 



Trochus Fanulum, Gmel., Petiver, Gazoph. t. 156. f. 15. 

 Hab. Malta. 



3. Gibbula declivis, Forskal. 



Turbo declivis, Forsk. Descr. Anim. p. 1 26 ; Chemn. Conch, pi. 1 71 . 

 f. 1663, 1664. — Trochus Mgyptiacus, Gmel. 

 Hab. Suez. 



4. Gibbula cineraria, Linn. 



Trochus cinerarius, Linn. Syst. Nat. ed. 12. p. 1229. — Trochus 

 lineatus, Da Costa. — Trochus perforatus, Smith. — Trochus injlatus, 

 Blainv. — Trochus versicolor, Andrg. — Trochus lineolatus, Potiez and 

 Mich. — Trochus littoralis. Brown. — Trochus electissimus, Bean. 



Hab. British Islands. 



5. Gibbula scabra, Linu. 



Trochus scaber, Linn. Syst. Nat. ed. 10. no. 510. p. 785; Chemn. 

 Conch. 1. 171. f. 1667. 

 Hab. European Seas. 



6. Gibbula quadrata, Gmel. 



Trochus quadratus, Gmel., Wood, Ind. Test. pi. 29. f. 45 ; Chemn. 

 Conch, pi. 171. f. 1683. — Trochus Biasoletti, Philippi. — Trockus ma- 

 (/idus, Deshayes. 



Hab. Mediterranean. 



". Gibbula fuscata, Born. 



Trochus fuscatus. Born, Test. Mus. Caesar, t. 12. f. 1, 2. — Trochus 

 umbilicaris, Lamk. (not Linn.) 

 Hab. ? 



8. Gibbula cinerea, Montague. 



Trochus cinereus, Mont., Donov. Nat. Hist. Brit. Sh. v. 1. 155. f. 3. 

 Hab. Britain. 



9. Gibbula divaricata, Linn. 



Trochus divaricatus, Linn. Syst. Nat. ed. 12. p. 1229. — Trochus 

 rarilineatus, Michaud. — ? Turbo sanguineus, Gmel. 

 Hab. Mediterranean. 



10. Gibbula tumida, Montague. 



Trochus tumidus, Mont. Test. Brit. t. 10. f. 4. — Trochus Rackettii, 



