KUNGL. SVENSKA VETENSKAPSAKADEMIENS HANDLINGAR. Bmi.l 47. N:o I. 



PRIAPULIDS AND SIPUNCULIDS 



DREDGED RY THE 





SWEDISH ANTARCTIC EXPE 



1901-100:} 



AND 



THE PlfENOMENON OF BIPOLÄR ITY 



BY 



HJALMAR THEEL 



WITH FIVE PLATES AND EIGHT ILLUSTRATIONS IN THE TEXT 



READ JUNE 7TH, 1911 



UPPSALA & STOCKHOLM 



ALMQVIST & WIKSELLS BOKTRYCKERI-A.-B. 



1911 



