Siboga-Expeditie 



XLIX' a 



THE PROSOBRANCHIA OF THE SIBOGA 



EXPEDITION/ 



BY 



M. M: SCHEPMAN 



Rhoon (Holland) 



PART I 



RHIPIDOGLOSSA and DOCOGLOSSA 



WITH AN APPENDIX BY Prof. R. BERGH 



With 9 plates and 3 textfigures 



LATE E. J. BRILL 



PUBLISHERS AND PRINTERS 



LEYDEN — iqo8 



