
6,: 7, 8, — communis Risso 

MOLLUSQUES DU ROUSSILLON. 

PLANCHE 258. 
Classe GASTROPODA ( Cuvier) 

ORDRE I Prosobranchiata 
FAMILLES ru 
SECTION LB Holostomata 
rrilellidæ, Littorinidæ 
Solarium 
GENRES Turritella, 

2, 4, Turritella triplicata Brocchi 
11, Turritella communis Risso var. NiVea Jeffr. 
PRIS 14 — decipiens .Monts. 
_ var. turbona , Monts. 
var, obsoleta B, D. D. 
15. == — var. albida .Monts. 
16, 17,18,19,  Solarium hybridum .Linné. 
var. soluta ,B, D, D. 
Bucquoy, Dautzenberg & Dollfus. 
