Trocliidao. 251 



:mer), Lesiiia, Lissa, Curzola, Lagosta (HELiiEK), Zara (Sandri, Brusina) ; Morea 

 (Deshayes); mare Aegeiim: Vathy, Amorgo (Forbes) ; Creta (Spratt, Jeffreys). 



m 8. G. umbilicaris Brus. {Troclms umhilicaris L. , Tr. ftiscahis Gm., 

 (r. mediterranca, (lesscrca, Risso, Tr. Roissf/i Blv., nec Payr., Tr. zonatus Jeffr.). 

 Testa depresse conoidea, umbilicata, solida, lineis elevatis spiralibus demum ob- 

 soletis cincta, cinereo-olivacea, plerumque albido-maculata ; anfractus paullo con- 

 vexi , ultimus angulatus submarginatus ; umbilicus spiralis cylindricus ; apertura 

 subquadraiigula, intus laevis, columella vix arcuata, fere perpendicularis. — Alt. 

 1 f)^ — 20, diam. '10 mm. 



Var. : G. latior Loc. {Trochus latior Mrviii.). Major, valde depressa, basi fere 

 plana. — Variet. : concolor Phil. {olivacca E^;qu.), tetscUata, Doriae Tapp., un- 

 dutata BucQ., Dtzbg., atbina Mtrs. 



Distrib. : Mare lusitanicum, sin. Biscayensis. — Fossilis in stratis ter- 

 tiariis Siciliae. 



Habit. : Litora Hispauiae: Mataro, Alicante; ins. balear. : Menorca (Hi- 

 dalgo) ; Alger (Weinkauff) ; litora Galliae (Petit), Roussillon , frequ. , inter 

 Terrembon et Peyrefitte (BrcciuoY, Dtzbg., Dfs.), Cette (Granger), Grau du Eoi 

 (Clement), Fos, les Martigues (Locard), Marseille (Ancey), fort St. Jean, le 

 Prado, la Corbiere, Roucas-Blanc (Marion), St. Raphael, St. Tropez (Doublier), 

 St. Nazaire, penins. Gien (Locard), Cannes (Dautzenbrg) ; Mentone (Locard), 

 Nizza (V^rany); litora pedemontana, Sestri di Levante (Jeffreys); Sardinia: Boni- 

 facio (Rolle); Spezia (Jeffreys, Tapparone); Livorno, Quercianella, ins. Elba, 

 del Giglio (Appelius) ; Napoli (Sc-acchi) ; Sicilia (Philippi, Aradas et Benoit) ; litora 

 Tunetana (Monterosato); Adria (G. v. Martens), Venezia (Weinkauff), Rovigno, 

 2 — 5 m (Wimmer), Curzola, Lagosta (Heller), Lesina, Zara, Ragusa (Stossich, 

 Sandri, Brusina); Morea (Deshayes); mare Aegeum (Forbes). 



Nom. vulg. : Adria: Caragolo tondo de mar (G. v. Martens). 



9. G. ardens Mtrs. {Trochus ardens Salis, Tr. Fermonu Payr., Tr. canaJi- 

 culatus Desh., nec Lam., Tr. Adansonii Blv., G. succincta et barbara Mtrs., Tr. 

 tcs.scUatiis [Gm.J Phil.). Testa globoso-conoidea, orbicularis, late et profunde um- 

 bilicata, spiraliter costata, longitudinaliter oblique striata, castanea aut fusca, 

 punctis atris, roseis et albis conspersa; anfractus 5 valde convexi, ad suturam 

 tumidi et maculis albis articulati ; sutura canalicuhxta ; umbilicus infundibuli- 

 formis, intus anfractibus convexis, apertura rotundato-rhombea, depressa, columena 

 obliqua, basi nodulosa. — Alt. et diam. 13 — 15 mm. 



D i s t r i b. : Mare lusitanicum. — Fossilis in stratis tertiariis circummedi- 

 terraneis. 



Habit.: Litora Hispaniae: Mataro, ins. balear. : Mahon, Calaiiguera (Hi- 

 DALGo); Alger (Weinkauff); litora Galliae (Petit), Roussillon: la Barcarole inter 

 Terrembon et Peyrefitte (Bucquoy, Dtzbg., Dfs.), Cette (Granger), Grau du Roi 

 (Clement), a Cette ad Aigues-Mortes (Dubreuil), Fos, les Martigues (LocardI, 

 Marseille (Ancey), fort St. Jean, la Joliette, Pomegue, la Corbiere, Roucas-Blanc 

 (Marion), Toulon, Camarat (Doublier), St. Tropez, penins. Gien (Locard), Cannes 

 IDautzexberg), Mentone (Locard); Nizza (Risso, V^^rany), Genova (Vi^RANY-^), 

 litora pedemontana (Jeffreys); Spezia (Tapparone-Canefri); Livorno, Castiglion- 

 cello, insulae maris Ligustini (Appelius), Napoli (Scacchi); S. Niccola, Lampe- 

 dusa (var. dcprcssa, Issel); Sicilia (Philippi, Aradas et Bknoit); litora Tunetana 

 (Monterosato); Adria: Venezia (Weinkauff), Trieste, Pirano, Cherso, Lussin 

 (Stossich), Neresine (Grube), Lesina, Curzola (Heller), Valle Triluka, 3 — 4 m, 



