MOPEUSQUES DU ROUSSILION 
— DIS ——— 
lianche 49. 
Ciasse GASTROPODA (Cuvirr) 
EN EEE 
ORDRE I. Prosobranchiata FAMILLE : Turbinidæ 
SECTION B. Folcstomata SOUS-FAMILLE : Trochid: 
GENRE : Trochus 
Frs = 
> d, 0. Trochus articulatus (Lamarck)  #°# 
» 10. E — — (juv.) 
; NS = — var. major (B. D. D,) 
= = — var. nigro et albo articulata (Req.) 
ne = — — Jineolata (B. D. D.) 
8, 9. —  crassus (Pluteney) 
11, 12, 13, 14. —  mutabilis(Philippi) 407 
Bucquoy; Dautze»rbergsg & Dollfus. 
