'i 



CONTENTS. 



-.11 tli,- RADK.I.AKIA . ollected by H.M.S. CHALLENC.KI; .luring the years 



1873-1876. 



By KK.NXI HAK..KKI, M.D., Ph.D., Professor of Zoology in the University of Jena. 



PLATES. 





