Megafaunal Populations in Lydonia Canyon with Notes on Three 

 Other North Atlantic Canyons--Dr. Barbara Hecker 53 



Benthic Infauna of Lydonia Canyon and the Adjacent Slope 

 Environment--Dr. Nancy J. Maciolek and Dr. J. Frederick Grassle 57 



Massachusetts' Perspective on Submarine Canyons and Drilling 

 Around These Canyons--Ms. Patricia E. Hughes 73 



The Rhode Island Perspective on Submarine Canyons--Mr. Bruce F. 

 Vild 75 



ROUNDTABLE DISCUSSION: SUMMARY AND SYNTHESIS 79 



Geology and Geochemistry of North Atlantic Submarine Canyons-- 

 Dr. Bradford Butman, Chairperson 79 



Biological Communities of North Atlantic Submarine Canyons-- 



Dr. Barbara Hecker, Chairperson 89 



FINAL SUMMARY SYNTHESIS AND CONCLUSIONS 94 



Conclusions 103 



Research Needs 106 



APPENDICES 



A--Reviewers' Comments 

 B--Abstracts 

 C--Workshop Agenda 

 D--List of Participants 



IV - 



