252 Gastropoda. — Aspidobranchia. 



Valle Kaino, 16 m, Scoglio Mandoler, 66 m (Wimmer), Zara (BRusrxA); Morea 

 (Deshayes); mare Aegenm (Forbes). 



Var. : G. succincta 3Itrs. (var. Bucquoy). Depressa, sutura late et profuude 

 canaliculata, anfractus convexi lineis valde elevatis spiralibus per sulcos angnstos 

 et profundos separatis ornati. — Habit. : sin. Gabes, Tunis (Monterosato). — 

 Var. liujus formae: atropurpurea. albida, fiavida Mtrs. — Pliocenica. 



G. barbara Mtrs. (var. Bucquoy). Spira elevata, conica, apice acuminato. 

 anftactus plani, sutura debiliter canaliculata separati. — Ibideni, idem. 



10, Gibbula Saulcyi Mirs. Testa intermedia inter eam G, ardentis et 

 albidae, elata, anfractibus planis, carinatis, nltimo acute angulato, basi sulcis 4 

 paullo profundis exarato, umbilico clauso, columella cum labro non conjuncta sed 

 dentiformiter terminata. — Magnit.? 



Distrib.: Mare lusitanicum. 

 H a b i t. : Alger (Weixkauff). 



11, G. albida Mtrs. {Trochus albidus Gm., 2V. Biasdletti Phil., Tr. cino- 

 rarim Born, nec L., Tr. maf/ulus Desh.). „Testa conica alba, fasciis obliquis 

 fuscis, anfractibus prope suturam canaliculatis" (Gm.). „Testa conoidea, sub- 

 perforata, anfractibus 6 planulatis, supra angulatis, laevibus, sulcis 4 transversis 

 distinctis, ultimo basi marginato , columella basi callosa, apertura dilatata; um- 

 bilicus obliquus, angustissiraus , in sulcum brevem paullo profundum productus, 

 qui ad dentem columellae desinit. Albido-cinerea , strigis longitudinalibus radi- 

 antibus nigro-fuscis ornata." (Phil.) — Alt. 13, diam. 15 mm. 



Habit. : Livorno (Philippi) ; Sicilia: Aci-Trezza (Aradas et Benoit); Adria: 

 Venezia(WEiNKAi:iF\ Trieste(PHiLippi). Zara(SANDRi,BRusixA); MoreafDESHAVEs). 



m 12. G. Philberti Mtrs. {Trochus Philberfi RficL. , Tr. i-illicus Phil.). 

 Testa depresso-conoidea, colore valde variabili, plerumque fusco et albo marmorata 

 anfractus 6 planati, supra rotundato-angulati, cingulis inaequalibus 4 in anfracti- 

 bus spirae striisque tenuissimis spiralibus sculpti, ultimo angulato cingulis 7 in 

 basi munito, umbilico infundibuliformi obliquo , albo; apertura rhombea, labrum 

 obsolete truncatum. — Alt. 5) — K», diam. 7 — 8 mm. — (Variet. : iiigra Re( l., 

 [atra Mtrs.], gtisea Rfiyu., cqtfea Mtrs.). 



Habit.: Litoralis et zona Laminariarum; ins. balear. : Malion (Hidalgo); 

 litora Galliae: Roussillon: Paulillcs, Collioure, rar. (Bucquoy, Dtzrg. , Dfs.), 

 Palavas (Dollfus), Marseille, le Pliaro (Mariox), St. Nazaire, Porquerolles (Lo- 

 card), Cannes (DAUTZENHER<i); Mentone (Locard); Corsica (RK(iiiEN), Sicilia, 

 10 org. (PHiLiPi'i, ]\[c Andrew). 



?m 13. G. nebulosa Kon. (Trockus )iebulosus Phil.). Testa conoidea, um- 

 bilicata, solida, rufescens, albomaculata, anfractns convexinsculi , sulcis 6 super- 

 licialibus exarati, ultimus rotundato-angulatus, basi striis 4 exarata, umbilico 

 patulo, laevi, lacteo; apertura suborbicularis. — Alt. 10, diam. 11 mm. 



Habit. : Aegyptus, Alexandria (Philippi, Ehrenherg). — Au var. speciei 

 praecedentisV 



m 14. G. varia Mtrs. {Trochus rarius L., Tr. lacrigatns Gm., 7V. Iioiss//i 

 Payr., Tr. pdllidus FoRR. , G. </ibbuJosa et purpurata Brus.). Testa depresso- 

 conoidea, obli^jue uuil>ilicata, tenuissime spiraliter striata, plerumque pallide fusca, 

 albo marmorata; anfractus 6 planulati, ultimus basi angulatus, submarginatus; 

 apertura rhombea, dilatata, umbilico infundibuliformi, dilatato, albo, columella 

 perobliqua, simplici. — Alt. 12, diam. 14 nim. 



Habit.: Litoralis; litora Hispaniae: Barcelona, ins. balear. : Mahon, Palma 

 de Mallorca (Hidalgo); Alger (Weinkauff); litora Galliae (Pktit), Houssilloii, 

 Port-Vendres , Collionre, Cerbere, Leucate (Bucihov, Dt/.iu;., Dks.\ la Xouvelle 



