On the chert and siliceous schists of the permo-carboniferous strata of Spitzbergen, and on the characters of the sponges therefrom, which have been described by Dr. E. von Dunikowski. (Extracted from the geological magazine, decade III, vol. V, no. 6 ... June, 1888.).
Hinde, George Jennings.
London, 
[1888]
The title on the front cover reads "Spitzbergen chert-deposits".