THE PYCNOGONIDS, 
DREDGED DURING THE CRUISES OF THE “WILLEM BARENTS” 
in the years 1878 and 1879. 
BY 
Dr. PR. P£C HORK. 
(With two plates). 
During the two cruises of the “Willem Barents ,” which sailed from 
Amsterdam in 1878 and 79 to visit higher Northern latitudes 
during the summer-months, with the special charge to study the 
conditions of the ice, to take meteorological observations, to make 
soundings ete., numerous dredgings were executed and a rich col- 
lection of Pyenogonids was one of the results of these operations. 
I gladly undertook to draw up a report on them. 
Our knowledge of the animals of this group, which inhabit higher 
Northern latitudes is greater than could be expected, seeing the care- 
lessness, with which these animals in general have hitherto been 
treated. Mentioning only the more important publications, the list 
we are obliged to make is yet a rather lenghty one. It begins 
with Otho Fabrieius'), who in his Greenland-Fauna enumerates the 
1) Othonis Fabrieii, Fauna Groenlandica. Hafriae et Lipsiae, 1780. 
Hozk, Pyenogonids. a 
