PLATE 5 

 Figs. A-B. — Station 11, outer shelf, west of canyon head, 54-56 fms. 

 Fig. C. — Station 12, outer shelf, west of canyon head, 52-55 fms. 



A&B, Shelly silty sand, with straight asymmetric ripples indicating current to- 

 ward WNW; canceroid crab (arrow in A) and starfish, common asteroid. 

 C, Sandy silt, with straight symmetrical ripple marks (crest orientation: 070°- 

 250°); some current interference indicated. Mud or silt partially covering ripples 

 produces a mottled effect. 



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