Sib o ga-Exp editie 



XLIXa 



. , 



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 g plates and 3 textfigures 



^©s-* 



late E. j. BEILL 



PUBLISHERS AND PRINTERS 



LEYDEN — 1908 



\ 



