/^f^'S Siboga-Expeditie 



:i:hv^ IX 



THE SIPHONOPHORA OF THE SIBOGA 



EXPEDITION / 



BY 



ALBERTINE D. LENS and THE A VAN RIEMSDIJK 



Utrecht 



With 24 plates and 52 textfigures 



LATE E. J. BRILL 



PUBLISHERS AND PRINTERS 



LEYDEN — 1908 



