PLATE 4 

 Figs. A-D. — Station 9, canyon head near axis, 195-208 fins. 

 Figs. E-F. — Station 10, outer shelf, west of canyon head, 57-59 fms. 



A&B, Silty hottom with poorly defined (old) ripple marks. Burrows in lower left 

 corner of A and upper part of B; possible crustacean tracks on left margin of B. 

 C&D, Bottom similar to above. Tubes of polychaete worms (arrows), and hagfish 

 (Myxine) (in D). 



E&F, Coarse shelly sand; straight asymmetric ripple marks with rounded crests 

 indicating current toward the west. Concentration of shell in ripple troughs and 

 partially buried larger shells in F; Concave-up attitude of shells suggest only 

 weak bottom current activity. 



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