THE NORWEGIAN NORTH-ATLANTIC EXPEDITION 
' 187 6 — 18 7 8 . 
XX. 
ZOOLOGY. 
PYCNOGONIDEA. 
BY 
G. 0. S A R S. 
WITH 15 PLATES AND 1 MAP. 
/ 
LEIPZIG, 
K. F. KOLILEli. 
CHRISTIANIA. 
PRINTED BY GR0NDAHL & S0N. 
1891. 
LONDON, 
SAMPSON, LOW, MARSTON, SEARLF, 
& HIVINGTON. 
PARIS 
K. NILSON. 
