430 GastroiKxla. — Ctendltrancliia. — Heteropoda. 



L., 1 



lucentibus. — Long. ad 40 nnn. — Var. atra, franclscana, marmorafa Phil., 

 major, oUonga, chnf/afa, carinafa, minor JItes., paUula, fnsca, coerulesccns, jiamnm- 

 lata, rnbens, htfca B., D., D., aJbina Mtrs., imelus, sfeppus, endorus, dlpus, alatmus, 

 cmisus, amigus, pinguis de GreCt. , rotundus Horn. et Auing. , ventricosus Broxx. 



Distrib. : Atlantieum lusitanicum; Pontus. — Fossilis tertiaria. 



Habit.: Litora Hisjjaniae: Algesiras (Hidalgo), Gibraltar, Malaga (Mc 

 AxDREw), Cartagena, Alicante, Valencia, J^arcelona, Eosas, ins. balear.: Iviza, 

 Formentera, Menorca, Palma de Mallorca (Hidalgo), Malion (McAndrew, Hidalgo); 

 Alger (Weikkauff) ; litora Galliae, Roussillon: Port-Vendres, Banyuls, Pe^Tetite, 

 Terrembou, Cerbere (Bucquov, Dtzrg., Dfs.), la Nouvelle (Locard), a Cette ad 

 Aigues-Mortes (Dubreuil), Marseille (Axcey), fort St. Jean, le Pharo, ^lontre- 

 don, Pomegues, Eoucas-Blanc (Marion), Toulon, St. Tropez, 8t. Eaphael (Doub- 

 lier), St. Nazaire, la Se3'ne (Locard); litora pedemontana (Jeffreys); Nizza 

 (Risso, Vi5rany), Genova (V^rany); Corsica (Payraudeau, RfiyuiEx); Sardinia 

 (Genxari), Bonifacio (Rolle); Spezia (Capellini, Taitarone); Livorno, Elba, 

 Giglio, Pianosa (Appelius); Napoli (Delle Chiaje, Scacchi, Philii'I'i); Sicilia 

 (Philii'1'i, Aradas et Ben(ht) ; litora Tunetana (Mc Andrew, Monterosato) , sin. 

 CTabes(DAUTZENBERG); Adria, ubique communiss. (Stossich), Cherso, Ossero, (Grube), 

 Lissa, Lesina, Curzola, Lagosta, Ragusa (Heller), Zara (Sandri) ; Morea (Des- 

 hayes) ; mare Aegeum (Forbes) ; Smj^rna (Fleischer) ; S^^ria (Roth, Gaillardot 

 et Puton); Aegj-ptus (Savigny). 



Nom. vulg. : Mahon: BetUeruga (Hidalgo). 



III. Ordo. Heteropoda Lam. (Xucleohranchia Blv.). 



1. Fam. FIEOLIDAE GciKK. {Plcrofrachcidae aut. p.). Animal testa carens, 

 corpore cylindrico, liyalino, pellucido; visceribus sacco parvo elliptico (nucleo) 

 inclusis; pinna semicirculari, basi angustata, in feminis disco suctorio destituta. 

 Pterotrachea Forsk. (Firola Brug., Ilijpterus Eafin.). Corpus elonr/afum, 

 fusiformr; capuf (iraeUe, profjoscidiformc, fenfacufis rudimentarihus; pi^ina vcnfralis 

 semicircutaris, basi angustafa; nuclcus haud fcrmincdis; tcsta nuUa. 



Nom. vulg. specier. : Napoli: Euummo, Vrommo (0. G. Costa). 

 m 1. Pt. coronata Forsk. {Pt. hf/alina Forsk., juv., Pf. umhdicata D. Ch., 

 /. TiB., Pirola Kdirardsiana Desh.,/. Tib., Hnptcrus cr//tliropasfer Rwis). „Corpore 

 maximo, hyalino, immaculato, tuberculis frontalibus 4 — 10, disco pedis nullo aut 

 subnullo'^ (Cantkaixe). — Long. ad 300 mm et ultra. 



Habit.: Villafranca (Paneth), Nizza (Eisso, VArany, R. Lecckart): Napoli 

 (Delle Chiaje); Sicilia (Philippi) , Messina (Cantraine, Gegenbaur, Krohxj; 

 mare Aegeum (Forbes). 



?Pt. umbilicata D. Cn. {Firola Edwardsiana Desh., /. D. Ch.). .Corpore 

 fusifiinui, glal)ro, viohuoo-coernlescentc, disculis nnibilieatis si^arso; capitc bi- 

 cristato. cristis 4-dentatis; nndco viscerali violacco-rnlicUo; ala rosea, cotjii 

 radiato niarginali fsicl: cauda ^-lobo-depressa" (Delle Chiajk). Napoli. 



m 2. Pt. hippocampus Phil. „Hyalina, pinnuia centrali, ventre et cauda 

 seriebus pluribus (^duabus" Phil.) tuberculorum, tuberculis frontalibus sex; pedis 

 disco masculoi-um magno'' (Philippi, Gegexiiaur). — Long. 05 — i^O mu). 



Habit. : Villafranca (Paxeth); Napoli, Palermo (Philippi); Messina 

 (Gegexbaur). 



m 3. Pt. Frederici Li:s. (Pf. Lrsucuri Risso, Iliipfrrus appendicuhdus 

 Rafix.). ^Corpore verrucoso, hyalino, dilute violaceo-purpureo, tuberculis fron- 

 talibus 1 — (j; pedis disco nuigno'" (Caxtraixe). — Long. i>5 mm. 



