Siboga-Exp editie 



XXVIII a 



THE 



POLYZOA OF THE SIBOGA EXPEDITION 



BY 



SIDNEY F. HARMER, sc.a, f.r.s. 



Keeper of Zoology in the British Museum (Natural History), London 



PART I 



ENTOPROCTA, CTENOSTOMATA and CYCLOSTOMATA 



With 12 plates 



=ê=-&©$-^=- — 



late E. J. BRILL 



PUBLISHERS AND PRINTERS 



LEVDEN — 19 15 



