Pcbruary 26 th 1923. 



Vol. XUV., Art. 8. 



Jj^ ^ @ VN. 



P3 ^ P3 M ^ -''^ ^ 



JOURNAL 



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V> 



OF THE 



COLLEGE OF SCIENCE, 



IMPERIAL UNIVERSITY OF TOKYO. 



E. Stecho\a^, 

 Die Hydroidenfauna der Japanischen Region. 



TOKYO. 



PUBLISHED BY THE UNIVERSITY. 



TAISHO XII. 



