t^OM , Siboga-Expeditie 



XLIXM 



THE PROSOBRANCHIA OF THE SIBOGA 



EXPEDITION 



BY 



M. M, SCHEPMAN 



Boscli en Duin near I'ticclU (Holland) 



PART IV 



RACHIGLOSSA 



With 7 plates 



=>i^&@?-= 



LATE E. J. BRILL 



FUBLISHERS AND PRINTERS 



LEYDEN — 191 1 



