Siboga-Exp editie 



XLIX' 



THE PROSOBRANCHIA, PULMONATA 

 AND OPISTHOBRANCHIA TECTIBRANCHIATA 



Tribe BULLOMORPHA 



OF THE SIBOGA EXPEDITION 



BY 



M. M. SCHEPMAN 



Bosch en Duin near Utvecht (Holland) 



With 32 plates and 4 textfigures 



LATE E. J BRILL 



PUBLISHERS AND PRINTERS 



LEYDE.N — 1908 — 1913 



