i4 
Sect, CIDARITES Auct. 
Genus Cidarites Lam. 
Cidarites Hirta E. Sism. 
Ast. 
— Signata E. Sism. 
Taur. 
— Des-Moulinii E. Sism. 
Ast. 
— Jea-Mays E. Sism. 
Ast. 
— Incurvata E. Sism. 
Taur. 
— Variola E. Sism. 
Taur. 
— Miinster E. Sism. 
Taur. 
Genus Echinus Linn. 
Ecliinus Astensis E. Sism. 
Ast. 
CLASSIS IV. 
CRUSTACEA Auct. 
Sect. NATANTIA Lam. 
Genus Cancer Linn. Latr. 
CLASSIS V. 
ANNELIDA Lam. 
Sect. cephalobranchia 
M. Edw. 
Genus Serpula Linn. 
Serpula Protensa Lam. 
Ast. Dert. ( v. in Medit. Ind. 
Amer. ) 
— Dentifera Lam. 
Ast. ( v. in mar. Af. austr. ) 
— Bicarinata Bon. 
Ast. 
— Articulata Bon. 
Ast. 
— Intorta Lam. 
Ast. 
Genus Vermilia Lam. 
Yermilia Triquetra Lam. 
Ast. ( v. in Med. Oc. Europ. ) 
Cancer Punctulatus Desm. 
Pedem. 
