p3é ■ P. PANCERI, 



= Serpula vermicularìs Phil. 



= Serpula interrupta Qtrfgs. — Palermo Quatrefages. 

 aspera Phil. — Napoli Philippi, Cherso Grube. 

 crater Claprd. 



= Serpula infundibulum D. Ch. — Napoli. 

 echinata Gm. — Napoli Scacchi. 

 cristallina Scacchi. — Napoli. 



= Placostegus cristallinus Philippi ? 

 cereólus Gm. — Napoli Scacchi. 

 torulosa D. Ch. — Napoli. 

 glomerata L. — Napoli Grube. 

 proboscidea Gm. — Napoli Grube. 

 contortuplicata L. — Napoli e Adriatico Grube. 

 pallida Phil. — Cherso Grube. 

 venusta Phil. — Napoli. 

 compressa Qtrfgs. — Napoli. 

 sulfurata Edw. — Nizza. 

 lactea Edw. — Nizza. 

 Eupomatus Phil. 



uncinatus Ph. — Cherso Grube. 

 pectinatus Ph. 



= Serpula pectinata Ph. — Napoli. 

 vermicularis D. Ch. 



= Serpula vermicularis L. — Napoli. 

 lunulifer Claprd. — Napoli, raro. 

 trypanon Claprd. — Napoli, sugli aculei dei Cydaris. 

 Protula Risso. 

 intestinum Lk. 



= Serpula intestinum Lk. — Napoli, non comune, Mar- 

 tinsica Grube. 



= Protula Rudolphi Risso. — Nizza Risso. 

 cinerea Forsk. — Lussin Grube. 

 Pomatoceros Phil. 

 triquetroides 



= Serpula triquetroides D. Ch. — Napoli. 



