Légende dk la Pl. XIV, 



;sle 



57 — 17. Cyrena {Corbiculà) Fortaesi, Desh. — Gr. nat Sinceny . . . 



57 — 18. Cyrena (Corbicala) antiqua, Féruss. — Gr. nat Mont-Bernon . 



57 — 19. Cyrena (Corbiculà) cuneiformis, Féruss. — Gr. nat Compiègne 



57 — 20. Cyrena (Corbiculà) deperdita, Desh. — 3/2 Beauchamp 



57 — 21. Cyrena (Corbiculà) planulata, Desh. — 3/2 Le Ruel . 



57 — 22. Cyrena (Corbiculà) renioniformis, Desh. — Gr. nat. Châlons-s.-V 



57 — 23. Cyrena (Corbiculà) cycladiformis, Desh. — 2/1 Houdan 



57 — 24. Cyrena (Corbiculà) rugifera, Cossm. — 3/1 Le Fayel 



57 — 25. Cyrena (Corbiculà) obliqua, Desh. — Gr. nat. et 3/1 Houdan 



57 — 26. Cyrena (Corbiculà) fabulina, Desh. — 2/1 Châlons-s.-Vesle 



57 — 27. Cyrena (Tellinocyclas) (1) tellinella, Desh. — Gr. nat Sinceny 



57 — 28. Cyrena (Tellinocyclas) minuta, Desh. — 4/1 [in Desh.] Cresnes 



57 — 29. Cyrena (Tellinocyclas) angusta, Desh. — 2/1 Châlons-s.-Vesle 



57 — 29'. id. var. parvula, Desh. —3/1 Châlons-s.-Vesle 



57 — 30. Cyrena (Corbiculà) difficilis, Desh. — 3 2 Châlons-s.-Vesle 



57 — 31. Cyrena (Corbicala) angustidens, Mellev. — Gr. nat Châlons-s.-Vesle 



57 — 32. Cyrena (Loxoptychodon) Arnouldi, Michaud, var. - 3/2 Chenay . 



57 — 32'. id. variété. — 2/1 Pourcy. . 



57 — 32". id. forme typique. — 3/2 Sapicourt. 



57 — 33. Cyrena (Isodoma) amygdalina, Desh. — Gr. nat Cuise . . 



57 — 34. Cyrena (Isodoma) tetragona, Desh. — Gr. nat Liancourt 



57 — 35. Cyrena (Isodoma) Chevallieri, Cossm. — 2/1 Précy . . 



57 — 36. Cyrena (Isodoma) Loustauae, Mayer. — Gr. nat Coincourt 



57 — 37 . Cyrena (Donacopsis) acutangularis, Desh. — Gr. nat Chenay . 



57 — 38. Cyrena (Donacopsis) Heberti, Desh. — 2/1. Sinceny . 



58 — 1 . Plesiastarte crenulata, Desh. — 6/1 . . . . • Chenay . 



59 — 1 . Velorita imbricata, Cossm. — 5/1 [in Cossm.] Châlons-s.-Vesle 



60 — 1 . Sphaerium Boissyi, Desh. — 2/1 [in Desh,] Rilly . 



60 — 2. Sphserium Verneuili, Boissy. — 2/1 Rilly . 



60 — 3. Sphaerium rillyense, Boissy. — 6/1 R'Hy • 



60 — 4. Sphaerium Mausseneti, de Laub. — 6/1 Châlons-s.-Vesl 



Sparn. 



Sparn. 



Sparn. 



Bart. 



Bart. 



Than. 



Lut. 



Bart. 



Lut. 



Than. 



Sparn. 



Bart. 



Than. 



Than. 



Than. 



Than. 



Than. 



Sparn. 



Cuis. 



Cuis. 



Cuis. 



Lut. 



Lut. 



Titan. 



Sparn. 



Than. 



Than. 



Than 



Th \n. 



Than. 



Than. 



il) Tellinocyclas, Dali (1903), proposé par C. Tellinella, Desh. (Syn. Cyvenidm), 



