LÉGENDE DE T.A Pl.XXXVIII. 





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Septifer depressus, Desh. — 3/2 



Dreissensia curvirostris, Cossm . — Gr. nat 



Dreissensia chonioides, Cossm. — Gr. nat 



Modiola dolabrata, Desh. — Gr. nat 



Modiola (Amygdalum) subcarinata, Lamk. — Gr. nat. . . . 

 Modiola (Amygdalum) subangulata, Desh. [in Desh]. — 3/2. 

 Modiola [Amygdalum) semilaevigata, Desh. — Gr. nat.. . . 



Modiola (Brachydontes) pectinata, Lamk. — 2/1 



Modiola [Brachydontes) crenella, Desh. — 2/1 



id. var. — Gr. nat 



Modiola [Brachydontes) ambigua, Desh. — Gr. nat 



Modiola (Brachydontes) acuminata, Desh — Gr. nat. [in Desh . 

 Modiola (Brachydontes) ocrophaea, Cossm. — Gr. nat. . . . 



Modiola [Brachydontes) compsa, Cossm. — 4/3 



Modiola (Amygdalum) amaura, Cossm. — 2/1 



Lithodomus sublithophagus, d'Orb. — Gr. nat 



Lithodomus hemirhabdotus, Cossm. — 2/1 



Lithodomus argentinus, Desh. — 3/2 



Lithodomus cordatus, Lamk. — 3/2 



Lithodomus papyraceus, Desh. — 3/2 



Modiolaria seminuda, Desh. — 3/2 



Modiolaria arcaeformis, Cossm . - - 4/1 . . . 



Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 

 Modiolaria 



2/1. 



Semimodiola) hastata, Desh. — Gr. nat.. 



Semimodiola) angularis, [Desh.] — 3/2. . 



Semimodiola) Bernayi, Desh. — 2/1.. . . 



Semimodiola) pectiniformis, Desh . — 3/1 . 



Semimodiola) Piethei, Desh. — 3/1 . . . 



Planimodiola) sulcata, Lamk. — Gr. nat.. 



Planimodiola) subrostrata, Desh. — Gr. nat 



Planimodiola) arenularia, [de R. et M. C] 



Planimodiola) aizyensis, Cossm . — 2/1 .... 



Planimodiola) spatulata, [Desh.] — 3/2 



Planimodiola) interjecta, Desh — 3/2 



Arcoperna radiolata, [Desh.] — 2/1 



Arcoperna capillaris, [Desh.] — Gr. nat 



Arcoperna brevis, [Desh.] — 3/2 



Arcoperna Mellevillei, [d'Orb] — 2/1 [in Cossm.] .... 



Arcoperna Searlesi, [Chelot.] — 4/1 



Arcoperna valbodenensis, [Watelet.] — [n'a jamais été figuré 



Arcoperna profunda, [Desh.] — 3/1 



Arcoperna tenera, [Desh] . — 2/1 



Crenella elegans, Desh. — 4/1 



Crenella Stratina, Desh — 4/1 



Crenella cucullata, Desh. — 5/1 



Hérouval Cuis. 



Marines Bart. 



Marines Bart. 



Chàlons-sur-Vesles . . . Than . 



Grignon Lut. 



Liancourt Lut. 



Damery Lut. 



Chambors Lut. 



Chambors Lut. 



Hermonville Lut. 



Arcis-Penant Bart. 



Passy Lut. 



Le Ruel Bart. 



Hérouval ....... Cuis. 



Hérouval Cuis. 



Parnes, Chaumont. . . Lut. 



Marines Bart . 



Valmondois Bart. 



Villiers Lut. (Cuis.) 



Le Fayel Bart . 



Le Guépelle Bart. (Lut.) 



Chaumont Lut. 



Liancourt Cuis. (Than., Lut., 



Abbecourt Than. Bart.) 



Valmondois . . '. . . . Bart. 



Houdan Lut. 



Crouy Bart. (Cuis. Lut.) 



Ferme de l'Orme. . . Lut. 



Hermonville Lut. (Cuis.) 



Le Guépelle Bart. 



Aizy Cuis. 



Saint-Félix Lut. 



Grignon Lut. 



Aizy Cuis. 



Ver Bart. 



Parnes Lut. 



Laon Cuis. 



Le Vouast Bart. 



Vauxbuin Lut. 



Chaussy Lut. 



Parnes Lut. 



Parnes Lut. (Cuis.) 



Parnes Lut. 



Parnes Lut. 



