248 Gastropoda. — Aspidobrancliia. 



fasciis spiralibus angustis rubro et albo articulatis; anfractus convexi, ultimus 

 supra depressus: apertura rliombeo-orbicularis : labrum intus incrassatum, columella 

 obliqua, nodosa. — Alt. 27, diam. 21 mm. 



Distrib. : Mare lusitanicum. — Fossilis in stratis tertiariis Siciliae, Ca- 

 labriae. 



Habit.: Litora Hispaniae: Algesiras (Hidalgo), Gibraltar, Malaga, Car- 

 tagena (Mc Andrew) ; ins. balear. : Mahon , Calafiguera , Palma de Mallorca (Hi- 

 DALGo); Alger (Wkinkalfk); litora Galliae (Petit), Roussillon: Collioure, Cerbere, 

 Leucate (Bucquoy, Dtzbg., Dfs.), Cette (Roux), Grau du Roi (ClSment), Fos, 

 les Martigues (Locabd), Marseille: vieux port (Ancey, Mariox), Toulon, Camarat 

 (Doublier), St. Tropez, St. Nazaire, Porquerolles (Locard), Nizza (VfiRANY); 

 litora pedemontana (Jeffreys), Genova (Vi;;rany) ; Corsica (Payraudeau, RSquien) ; 

 Sardinia: Bonifacio (Rolle); Spezia (Tapparone-Canefri) ; litora maris Ligustini 

 (Ai'1'elius) ; Napoli (Scacchi); Sicilia (Philippi) et ins. adjac. (Aradas et Benoit): 

 Tunis (McAndrew); Taranto (Salis); Adria: Venezia (Weinkauff), Trieste 

 (Philippi, Stossich), Curzola (Heller), Zara (Sandri, Brusina); Morea (Phi- 

 Lippi, Deshayes); mare Aegeum (Forbes). 



2. Monodonta lineata J. V. Crs. {Trochns liiieatus da Costa, Trochus crassus 

 PuLT., Cara(jolHS crassnx ]\[trs., M. Jafjubris Lam.; var. : 31. pimctnlafa Lam. ; juv.: 

 Jf. SiY/.s Recl., Tttrbo corc//rcnsisSroiiiiicH.). Testa conica, solida, laevis, albida, striis 

 confertissimis tenuibus nigris in ziczac flexis dense obtecta ; anfractus modice con- 

 vexi, ultimus supra planus, infra subangulatus ; apertura rhombeo-circularis, labro 

 incrassato, coluniella obliqua brevi, infra nodulosa. — Alt. 28, diam. 2() mm. — 

 (Ex opinione Jeffkkysii eadem species est ac M. articulata.) 



Distrib.: Atlanticum. 



Habit. : ,,Mediterraneum" (Monterosato) ; Corfu (Stossich). 



m 3. M. mutabilis J. V. Crs. {Trochus mutabilis Phil., Phorcus, postea 

 Carafiolus mutabilis Mtrs., Trochus articulatus var. Wkff.). Testa conoidea, etiam 

 in adultis perforata, imo umbilicata, transverse confertim striata, plerumque lutes- 

 cens strigisque oblique tiexuosis sanguineis picta; apertura rhombeo-orbicularis ; 

 coluniella obliqua, teres, basi nodulo terminata. — Alt. K), diam. 1<S mm. 



Habit. : Litora Galliae: Roussillon, Cerbere, Leucate (Bucquoy, Dtzbg., 

 Dfs.), litora Provinciae (Monterosato), Toulon, Mentone (Fischer) ; Adria: Trieste, 

 litora Dalmatiae (Philtpi-i); Morea, Rhodus (Philippi). 



4. M. turbinata Fischer (Trochus turbinatm Born, Caraffolus turbinatus 

 Mtrs., Tr. frayarotdcs Lam., Tr. salmoneus Chier., M. Olivicri Payr., Tr. tessel- 

 latiis Costa, Sc, Brus.). Testa conoidea, imperforata, solida, laevis, albido-lutes- 

 cens, plerumque maculis nigris aut nigro-purpureis frequentibus subtessellata : an- 

 fractus modice convexi, superiores transverse sulcati, ultimus supra non depressus, 

 apertura rhonibeo-orbicuhiris, hibro intus laevi, incrassato, columella medio nodosa. 

 — Alt. 2;'), diam. 24 nnn. 



Distrib.: Mare lusitanicum. — Fossilis in stratis tertiariis. 



Habit.: Litora Hispaniae: Gibraltar, Malaga (McAndrew), Cartagena, 

 Barcelona (Hidalgo); ins. balear.: Mahon, Alcudia, Calafiguera, Palma de Mallorca 

 (HiDALGo); Alger (Wkinkauff); litora Galliae (Pktit), Roussillon, Port-Vendres, 

 Colli(»ui-e, Banyuls (Bucquoy, Dtzhg., Dfs.), Cette (GRANiiKu), Grau du Roi (^'lk- 

 ment), Fos, les ^Fartigues (Locard); l^Iarseille (Ancky), Vieux-port, Pharo, ]\rontre- 

 don, Pomegue (l^Luuox), Toulon, St. Tropez, Camarat (Doublieb), cap Sicie, 

 St. Nazaire, penins. Gien, Porquerolles (Locahd); Nizza (Risso, Vi5rany), Genova 

 (Vkkanv), litora inMlcmontana i Jkkfreys); Corsica (Pavkaidkau, RftQUiKN); Sar- 



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