Légende de la Pl. Y. 



29 — 2. Mactra Levesquei, d'Orb. — Gr. nat. [voir aussi Pl. IV] Cuise Cuis. 



29 — 3. Mactra contortula, Desh. — 2/1 Le Guépelle . . Bart. 



29 — 4. Mactra Lamberti, Desh. — Gr. nat Sinceny .... Sparn. 



29 — 5. Mactra Loustause, Bavan. — Gr. nat Villiers .... Lut. 



29 — 6. Mactra suessoniensis, Wat. — Gr. nat Aizv Cuis. 



29 — 7. Mactra compressa, Desh. — Gr. nat Auvers, Le Guépelle. Bart. 



29 — 8 . Mactra recondita, Desh. — Gr. nat Villiers .... Lut. 



29 — 9. Mactra parameces, Cossm. — Gr. nat Cuise Cuis. 



29 — 10. Mactra Bernayi, Cossm. — Gr. nat LeRuel .... Bart. 



30 — 1. Cardilia Michelini, Desh. — 3 2 Auvers Bart. 



31 — 1. Abra i = Syndesmyd) Lamberti, Desh. — 2 1 Cuise Cuis. 



31 — 2. Abra ( = Syndesmyd) Recluzi, Desh. — 2/1 Neauphlette . . Lut. 



31 — 3. Abra (=Syndesmya) suessoniensis, Desh. — 3/1 Cuise Cuis. 



31 — 4. Abra (= Syndesnajd) média, Desh. — 3/1 Grignon .... Lut. 



31 — 5. Abra (=Syndësmya) obtusa, Desh. — 3/1 Grignon .... Lut. 



31 — 6. Abra (=Syndesmya) difflcilis, Desh. — 4/1 Grignon .... Lut. 



31 — 7. Abra (=Syndesmyà) deltoidea, Desh. — 3/1 [=iS\e.E?7/s, Desh. suppr.l Marines .... Bart. 



31 — 8. Abra (=Syndesmya) striatula, Desh. — 2/1 Cuise Cuis. 



31 — 9. Abra (^Syndesmyd) Deshayesi, Bosq. — 2/1 Le Guépelle. . . Bart. 



31 — 10. Abra (=Syndesmya) pusilla, Lamk. — 2/1 Villiers Lut. 



31 — 11. Abra (—Syndesmya) macrodonta, Desh. — 4/1 Mercin. . . . Cuis. 



31 — 12. Abra (=Syndesmya) depressa, Desh. — 5/2 Cuise Lut. 



32 — 1 . Scrobicularia Bezançoni, Cossm. — 3/1 Marines .... Bart. 



32 — 2. Scrobicularia ovoides, Cossm. — 2 1 Septeuil .... Lut. 



33 — 1 . Scrobiculabra Condaminei, Morris. — 1/2 [in Desh.] Muirancourt . . Sparn. 



34 — 1. Gastrana laudunensis, IJesh. — 3 1 Laon Cuis. 



35 — 1. Tellina pseudorostralis, d'Orb. — Gr. nat . . Cuise Cuis. (Than.) 



35 — 2. Tellina rostralis, Lamk. — Gr. nat Grignon .... Lut. (Bart.") 



35 — 3. Tellina rostralina, Desh. — Gr. nat Chaussy .... Lut. (Cuis.) 



35 — 4. Tellina canaliculata, Edw. — Gr. nat Le Fayel .... Bart. 



35 — 5. Tellina acutangula, Desh. — Gr. nat. [m Desh.] Vendeuil . . . . Sparn. 



35 — 6. Tellina {Elliptotellina) transversa, Desh. — 3/2 Cuise Cuis. 



35 — 7. Tellina (Elliptotellina) tellinella, Lamk. —3/2 Parnes Lut. j/Do.. \ 



35 — 8. TellinaiPero/ï/V/w pseudodonacialis, d'Orb — Gr.nat. [App.III.p.12] Noailles Than. 



