250 Gastropoda. — Aspidobrancbia. 



litora Tunetaua (Monterosato), Gabes (Blcquoy, Dtzbg., Dks.); Adria: Trieste^ 

 Pirano (Stossich), litora Dalmatiae (Saxdki, Brusika); Morea (Deshayes). 



m 4. Gibbula Spratti Mtks. (Trochns Spraffi Fcjrh., Tr. alveolafus Phil., 

 Tr. pictus PiiiL.). „Testa conoidea, nigro-brunnea, maculis albis tessellata; anfracti- 

 bus 6 convexis spiraliter sulcatis, trausverse oblique striatis, ad suturam planius- 

 culis; basi margine rotundato; umbilico parvo albo, apertura subquadrata." — 

 Alt. et diam. 7 mm. — (Ex opinione Jeffreysii forsan var. G. Adansonii). 



Habit.: Tunis (Monterosato) ; mare Aegeum: Servi, Cyclad., Lycia, Smyrna. 

 (Fobbes). 



m 5. G. Racketti Payr. (Trochus tumidus var. Wkff., G. injgmaea Risso). 

 „Testa parva, conica, umbilicata, spiraliter striata, albo-virescens, anfractibus 4 

 convexis. lineis obliquis parvulis rutis pictis, supra suturas latioribus, spira ob- 

 tusa, umbilico angusto, apertura alba." (Payraudeau.) — Alt. (> mm. 



Habit. : Alger (Weixkauff); litora Galliae : Roussillon (Bucquoy, Dtzhg., 

 Dfs.), Agde (Petit), cap Sicie (Marion), Toulon (Petit, Doublier), Cannes 

 (Dautzenberg) ; Nizza (Risso, VfiRANY), litora pedemontana (Jeffrfys); Corsica: 

 Valinco (Payraudeau ; Rfit^uiEN) ; Spezia (Tapparone) ; Xapoli , Sorrento , Sicilia 

 (Philii'1'i I. Palermo, Catania (Aradas et Benoit) ; mare Aegeum (Forbes). 



m 6. G. drepanensis ]\[trs. {TrocJius dre^xDiotsisBiivos., var. : G. Vimontiae 

 Mtrs.). Testa parva, tenuiuscula, globoso-conica, spira mediecriter elevata, conoidea, 

 apice acuminato, olivacea, strigis puncticulatis undulatis brunneis aut rufis ornata, 

 basi albida; anfractus 4 spiraliter et subtiliter lineati, ultimus subinflatus, basi 

 subangulatis, dein convexus, rima umbilicali angusta ; apertura intus margaritacea, 

 labro dilatato, simplici. — Alt. 4, diam. 5 mm. 



Habit. : Alger (Joly), Bona (HagenmCller , ex Monterosato) ; litora 

 Galliae: Roussillon, Paulilles (Bucquoy, Dtzbg., Dfs.), litora Provinciae (Monte- 

 RosATo); Sicilia: Palermo (Aradas et Benoit), Trapani (Brugnone), Mondello, 

 Trapani (Monterosato), Pantellaria (Aradas et Bexoit); Adria (BucciUOY, Dautzen- 

 BERci, Dollfus). 



7. G. maga Risso (Trochus mafins L., Tr. ttiherrulatus da Costa, G. pro- 

 fumida Loc). Testa conoidea, crassiuscula , spira scalaria, spiraliter striata, 

 plerumque griseo-fulva , strigis longitudinalibus flexuosis purpureis ornata ; an- 

 fractus 7 — 8 angulati, ad angulum nodis olitusis coronati. supra plani. infra linea 

 elevata cincti, ultimus inflatus, basi convexus late et profunde umbilicatus, aper- 

 tura subquadrangula, basi haud truncata. — Alt. 125, diam. 30 mm. — Varie- 

 tates: major KEqu. , oJ)solcta, i^roducta [protumida Loc.], Bucquoy, Dautzenbehg, 

 Dollfus, alba Jeffr., sframinea Phil. 



Distrib. : Atlanticum usque ad ]\ragnam Britanniam. — Fossilis in stratis 

 tertiariis et posttertiariis. 



Habit.: 4 — oO org. ; litora Hispaniae: (tiljraltar, Malaga (McAxdrew), 

 San Pol, ]\Iatar6, Barcelona (Hidalgo); ins. balear. : Jlenorca, Conejera (HiDAL(io); 

 Alger (Weinkauff); litora Galliae (Petit), Roussillon: Leucate, Canet, Paulilles 

 (BucQuoY, Dtzbg., Dfs.), Cette (Gbanger), Grau du Roi (Cli5ment), a Cette usque 

 ad Aigues-Mortes (Dubreuil), Fos, les Martigues (Locard), Roucas-Blanc, Carry, 

 Cap Cavaux, Montredon (Marion), St. Raphael, Toulon (Doublikh), ins. Hyeres, 

 PorqueroIIes (Locard), Cannes (Dautzenhehg); Mentone (Locahd), Nizza (Risso, 

 V^rany), Genova (VftHANv), litora pedemontana (Jeffrevs) ; Corsica (Payraudeau, 

 Rfti^uiEx); Napoli (Scacchi); Sicilia (Philiiti) et ins. adjac. (Aradas et Bexoit); 

 ]\lalta (McAndrew); Taranto (Salis) ; Adria: Venezia (Weinkauff), Trieste, 

 Pirano (Stossich), liUssin, Xcresiiie, 19—122 org. ((THrni;), Rovigno, 21^ in (Wim- 



II 



