lg() Pelecypoda. — Anatinacea, 



ascendens, ventralis ibidem profunde sinuatus, rostrum attenuatum formans. — 

 Long. 8 — 9, alt. 5 mm. 



D i s t r i b. : Atlanticum ; Norvegia , insulae Canariae , Madeira. — Fossilis 

 tertiaria. 



Habit.: 10 — 250 org\ prof. ; Gibraltar, Cartagena (McAndrew, Jeffeeys);, 

 Alger, Rasel Amusli (Jeffreys); litora Galliae (Dubkeuil), Marseille, rEstaque, 

 St. Henri, Ratonneau, CTarlaban, Marsilli, Montredon, cap Pinede, Riou (Makion);. 

 cap Sicie (Mabion) ; litora pedemontana (Jeffreys) ; Elba (Appelius) ; Napoli 

 (v. Maetens); Sicilia: Palermo, prom. S. Vito (Monterosato) ; „Adventure Bank" 

 Jeffreys) ; Malta, Tunis (McAndrew); Adria: Isola Grossa (Brusina); Morea 

 (Deshayes); mare Aegeum (Jeffeeys): Milo, sin. Macri, Asia min. (Forbes),, 

 Creta (Speatt, Jeffreys). 



3. Neaera cuspidata Hinds {Tellina cuspklata Olivi, Erycina cuspidafa Risso, 

 Corhula cuspidata Phil., C. rostrata Desh., Anatina hrevirostris Brown, N. hreci- 

 rostris Lov., N. crassa Monter.). Testa tenuis, ovata, post in rostrum elongatum 

 angustum producta, subinaequilatera , latere postico breviore, confertim striata, 

 margine ventrali ad initium rostri profunde sinuato, dorsali rostri concavo ; cardo 

 dente primario nullo, laterali singulo utrinque, dextro majore. — Long. 18 mm. 



Distrib. : Atlanticum ad Scandinaviam, Groenlandiam, Spitzbergen; Tene- 

 riffa, Madeira; VCliina. — Fossilis in stratis tertiariis. 



Habit.: 12^ — 733 org. prof.; Gibraltar, Cartagena, (McAndeew, Jeffreys); 

 Alger, Bona (Deshayes, Weinkauff), Bona, Benzert, Rasel Amush (Jeffreys); 

 litora Galliae (Dubreuil), Provinciae (Maetin, Petit), Marseille: l'Estaque, St. 

 Henri, cap Pinede, Peyssonel, chateau d'If, Ratonneau, Garlaban (Marion), Toulon 

 (Locard) ; litora pedemontana (Jeffreys) ; Sardinia (Mc Andrew) ; Spezia (Tappa- 

 rone-Canefri) ; Napoli (Acton); Sicilia: Palermo (Philippi), prom. S. Mto (Mon- 

 TEROSATo), Palermo, Messina, Catania, rariss. (Aradas et Benoit) ; „Adventure 

 Bank" (Jeffreys); Pantellaria, Malta (McAndrew, Aradas et Benoit); Tunis 

 (McAndrew); Adria: Venezia (Olivi, Chiereghini), Zara (Sandri) , Pirano, 

 Smergo (Brusina, Stossich) ; Creta (Spratt, Jeffreys). 



4. N. lamellosa Sars. Testa minuta, liaud multo convexa, oblongo-ovata,. 

 antice obtuse rotundata, postice sat producta, rostro longo attenuato horizontali, 

 apice truncato; margo ventralis sub rostro paullo inflexus, dorsalis post breviter 

 concavus ; umbones ante medium siti ; valvae solidiusculae, pallide fuscatae, opacae, 

 plicis concentricis 18 — 20 tenuibus prominulis lamelliforraibus ; processus carti- 

 laginis minimus, dens lateralis dexter cristiformis hurailis. — Long. 5 mni. 



Distrib. : Atlanticum, Norvegia, America septemtrionalis. 

 Habit. : Palerrao (Jeffreys). 



5. N. rostrata Lov. {M^a rosfrata Spgle. , Anatina lomjirosfris Desh., 

 N. attenuafa Forb., N. renovata Tib., N. Ardiniana Biondi, teste Aradas). Testa 

 modice convexa, oblonga, subclaviforniis, ante anguste rotundata, post valde pro- 

 ducta, rostro perlongo et tenui, V2 longit. aequante, horizontali, apice truncato; 

 margo ventralis sub rostro distincte sinuatus, dorsalis medio vix anguhitus, post 

 subrectus; umbones in Vs longit. siti; valvae tenues, albae, striis subrugulosis iu 

 lateribus rostri distinctioribus ; processus cartilaginis parvus, dens lateralis dexter 

 brevis. — Long. ad 23 mm. 



Distrib. : Atlanticum ad Norvegiam borealera. — Fossilis tertiaria Siciliae. 



Habit. : 10 — (145 org. prof. ; cabo de Gata, Cartagena (Jeffreys); Alger 

 (Weinkauff); litora Galliae (Petit, Dubeeuil, Martin, Jeffreys), Marseille: 

 Caroubier, Riou, la Cassidagne, Marsilli, Peyssonel: cap Sicie (Maeion), Toulon, 



