MOUSE DU ROUSSILLON 
PLANCHE 2$. 
Classe GAS TROPODA (Cuvier.) 
(ORDRE 1 Prosobranchiata FAMILLES Turritellidæ, Littorinidæ 
SECTION BD Holostomata GENRES Turritella, Solarium 
12, 4, Turritella triplicata Brocchi 2: 27 11, Turritella communis Risso var, Nivea Jl ftr. 
p] = = var, turbona .,Monts. $ 12, 13. 14, — decipiens .Monts. 
| — — var. obsoleta B, D. D. 15. _ — var. albida .Monts. 
6p, 8, SE communis Risso 2 Z 4 16, 17,18,19,  Solarium hybridum .Linné. 2 4% 
910, — _ var. soluta .B. D. D. 
Bucquoy, Dautzenberg & Dollfus. 
