PLATE 17 



Figs. A-F. — Station 31, upper slope, east of canyon, 200-235 fms. 



A-C, Mud, largely clay, bottom; local shell concentrations (A and C). Burrows 



and semi-circular depressions common; sea-anemones are present; crab (Geryon 



sp.) in C. Note small polychaete worm tubes in A and B, and rat-tail (Macrourid) 



fish in A. 

 D-F, Bottom similar to the above; close-up view reveals abundance of tracks and 



trails ("lebensspuren") some produced by fish and crustaceans. 



44 



