NI 
KUNGL. SVENSKA VETENSKAPS-AKADEMIENS HANDLINGAR. Band 39. N:o 1. 
NORTHERN 
AND 
ARCTIC INVERTEBRATES 
IN THE. 
COLLECTION 
OF THE 
SWEDISH STATE MUSEUM 
I. 
SIPUNCULIDS 
HJALMAR THÉEL 
WITH FIFTEEN PLATES. 
READ DECEMBER 14TH, 1904 
Re UPPSALA. ALMQVIST & WIKSELLS BOKTRYCKERI-A.-B. 
BERLIN LONDON PARIS 
R. FRIEDLÄNDER & SOHN WILLIAM WESLEY &« SON LIBRAIFIE H. LE SOUDIER 
11 CARLSTRASSE 28 ESSEX STREET. STRAND 174 BOULEVARD S:T GERMAIN 
