62 



SOCIÉTÉ ItOYALE MALACOLOGIE DE BELGIQUE 



4. 



r>. 



117. 

 1. 

 2, 



3. 

 4. 

 5. 

 6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 118. 



1. 



2. 



3. 



4. 



5. 



6. 



7. 



8. 

 119 



1. 



2. 



3. 

 120 



1. 



2. 

 121 



1. 



2. 



3. 



4. 



L. cordatus, Lamk. 



— papyracéus, Desh. 



— MODIOI.ARI.V. 



Modiolaria [s. s. seminuda, Desh. 



— arcâeformis, Cossm. 

 .M. [Semimodioïajhastata,, Desh. 



— aùgularis, Desh. 



— Bemayi, Desh. 



— pectiniformis,Desh. 



— Piethei, Desh. 

 M. (Planimodiola) sulcata, Lamk. 



— subrostrata, Desh. 



— arenularia, de R. et M . C. 



— aizyensis, Cossm. 



— spatulata, Desh. 



— interjecta, Desh. 



— Arcopkrna. 

 A. nuliolata, Desh. 



— capillaris, Desh. 



— brevis, Desh. 



— Mellevillei, d'Orb. 



— Seaiiesi, Chelot. 



— valbodenensis, Wat . 



— profunda, Desh. 



— tenera, Desh 

 . — Crènella. 



C. elegans, Desh. 



— striatina, Desh. 



— cucùllata, Desh. 



. PlNNA. 



P. margaritaeea, Lamk. 



— fragilis, Watelct. 

 . — Avicula. 



Avicula (s. s.) Hœrnesi, Desh. 



— transversa, Desh. 



— herouvalensis, Desh. 



— aizyensis, Desh. 



— microptera, Desh. 

 trigonata, Lamk. 



— fragilis, Dei'r. 



— Defrancei, Desh. 



A. [Aviculoperna) aviculina, Desh. 



6. — 



A. [Aviculopcrndl cosmeta, Cossm. 



— Dixorii, Desh. 



— Wateleti, Desh. 



— calvimontensis, Desh. 



— Pkrna. 

 P. Lamarcki, Desh. 



— Bazini, Desh. 



(iKRVll.I.IA. 



G. eocœnica, Desh. 



AVICLLOVUI.SA. 



A. macrotis, Desh. 



— fayellensis, Cossm. 



— Yl'LSELI.A. 



V. deperdita, Lamk. 



— anomala, Desli. 



— angusta, Desh. 



— minima, Desh. 



— VULSELLIHFA. 



V. chaussyensis, de Raine. 



— Anomalomya. 



A. corrugata, Cossm. 



— Bertheunia. 



B. elegans, Crossr. 



— Radila. 

 Radula [s. s.) spatulata, Lamk. 



2. — rara, Desh. 



3. — pretiosa, Desh. 



4. — llabelloides, Desh. 



5. — quadrilatera, Wat. 



6. — diastropha, Desh. 



7. — plicata, Lamk. 

 S. — Caillati, Desh. 



9. R. (Limatula) bulloides, Lamk. 



10. — analoga, AA'at. 



U. — Bernayi, Cossm. 



12. — tenuis, Desh. 



13. — Barreti, Morlet. 



14. — obliqua, Lamk. 



15. — Morlieri, Wat. 

 10. — dilatata, Lamk. 



1T»0. — Limka. 



1. L. eoe.eniea, de Laub. 



10. 

 11. 

 12. 

 13. 



lis. 



î. 



2. 

 125. 



1. 

 124. 



1. 



2. 



12o 



1. 



3. 



4 

 120 



1. 

 127 



1. 

 128 



1. 

 129 



1. 



