30 



SOCIÉTÉ MALACOLOGIQUE DE BELGIQUE. 



•g 73 



ESPÈCES 



Zone 

 des sables 

 quartzeux. 



Zone 

 des sables 

 calcarifères. 



G9 

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1 



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Gastèrodes (suite). 



Turritella terebellata, Lmk. . . , 



— imbricataria, Lmk. . . . 

 Scalaria bruxellensis, Nyst. . . 



— Vincenti, Nyst 



— reticulata, Brand 



— tenuicosta, Vinc 



Littorina sulcata, Pik 



Solarium grande, Nyst 



— trochiforme, Desli. . . . 



— Heberti, Nyst etLeh. . . 



— marginatum? Desh. . . . 



— spiratum, Lmk 



Xenophorus agglutinans, Lmk. 



Nerita tricosta, Lmk 



Turbo squamulosus, Lmk. . . 

 Calyptrœa trochiformis, Lmk. 

 Dentalium lucidum? Desh. . . 



Niso terebellatus, Defr 



Tornatella sulcata, Lmk. . . . 

 Ringicula ringens, Desh. . . . 

 Cylichna Bruguierei, Desh. . . 



— coronala, Lmk 



BuUa cylindroïdes, Desh, . . . 

 Volvaria buUoïdes, Brug. , . . 



Lamellibranches. 



Teredo Burtini, Desh 



Gaslrochaena Udekemi, Nyst. . 

 Solen vaginalis, Desh 



— proximus, Desh 



Pholadomya virgulosa, Sow. . 

 Mactra semisulcata, Desh. . . . 



— compressa, Desh 



Corbula gallica, Lmk 



— rugosa?Lmk 



— Lamarcki, Desh 



Woodia profunda, Desh. . . . 

 Tellina exclusa, Desh 



— rostralis, Lmk 



— Lyelli, Nyst et Lehon. . 



— tenuistriata, Desh. . . . 



Donax nitida, Lmk 



Cytherea suberycinoïdes, Lmk. 



— Isevigata, Lmk. .... 

 ~ nitidula, Lmk 



— semisulcata, Lmk. . . . 



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