LÉGENDE DE LA Pl. XLII. 



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Spondylus multistriatus, Desh. — Gr. nat Acy-en-Muliien Baht. 



Spondylus demissus, Desh. — Gr. nat. . . , Cuise Cuis. 



Spondylus Vaudini, Desh. — Gr. nat Hérouval Cuis. 



Spondylus granulosus, Desh. — Gr. nat Chaumont Lut. 



Ostrea {Pycnodonta) cymbiola, Desh. — Gr. nat Le Fayel Bart. 



Ostrea {Pycnodonta) Defrancei, Desh. — Gr. nat Cresnes Bart. 



Ostrea [Pycnodonta) eversa, Mellev. — Gr. nat Chenay Thax. (Spam.) 



Ostrea inaspecta, Desh. — Gr. nat Sinceny Sparx. (Than.) 



Ostrea profunda, Desh. — Gr. nat Chaumont Lut. 



Ostrea resupinata, Desh. — Gr. nat Merfy Thax. 



Ostrea heteroclita, Defr. — Gr. nat Brétigny-s.-Oise . . . Thax. 



Ostrea subplana, d'Orb. — Réduit 1/2 Valmondoi c Bart. 



Ostrea dorsata, Desh. — Gr. nat Marines Bart. 



Ostrea Raincourti, Desh. — Gr. nat . Dravagny Bart. 



Ostrea cucullaris, Lamk. — Gr. nat Auvers Bart. 



Ostrea cariosa, Lamk, Desh. — Gr. nat. [Voir aussi pl. XLIII|. . Chaumont Lut. 



