Hi friends, I have added another image regarding the hyrid of obvelata and annulus http://www.geocities.com/CapeCanaveral/6276/Shell2.htm Ciao .~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^. FLAVIO FAVERO Via G.B.Aleotti 4 44100 Ferrara - ITALY Tel: (0532) 752502 EMAIL : [log in to unmask] OR : [log in to unmask] ICQ UIN : 5638595 (Nick: Flypers) WEB PAGE : http://www.geocities.com/capecanaveral/6276 .~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^~^.