Order Cirratulida 35 



Tharyx acums 35 



Tharyx anmilosus 35 



Caulleriella killariensis 36 



Cossura longocirrata 36 



Order Terebellida 37 



Ampharete arctica 37 



Asabellides oculata 37 



Order Flabelligerida 38 



Pherusa affinis 38 



Phylum Arthropoda 39 



Class Crustacea 39 



Order Lsopoda 39 



Edotea triloba 39 



Order Amphipoda 39 



Ampelisca verrilli 39 



Unciola irrorata 40 



Pseudunciola obliquua 40 



Protohaustorius deichmannae 41 



Prorohaustorius wigleyi 42 



Lepwcheirus pinguis 42 



Rhepoxynius epistomus 43 



Order Mysidaeea 43 



Neomysis americana 43 



Order Decapoda 44 



Crangon septemspinosa 44 



Cancer irroratus 45 



Phylum Echinodermata 47 



Class Eehinoidea 47 



Echinarachnius parma 47 



Discussion 48 



Faunal composition of the apex 48 



Anthropogenic influences 50 



Acknowledgments 51 



Literature cited 51 



Figures 



1 . New York Bight apex and surrounding area 2 



2. New York Bight apex study area with station positions, dredging spoils, and sewage sludge dump sites indicated 3 



3. Average species diversities of benthic invertebrates 4 



4. Average numbers of benthic invertebrates per square meter 4 



5. Mean grain size of sediments averaged over five quarterly cruises (August 1973-September 1974) 4 



6. Average percentage of digestible organic materials in sediments 5 



7. Average concentrations of chromium in New York Bight apex sediments 5 



8. Average concentrations of copper in New York Bight apex sediments 5 



9. Average concentrations of nickel in New York Bight apex sediments 6 



10. Average concentrations of lead in New York Bight apex sediments 6 



1 1 Average concentrations of zinc in New York Bight apex sediments 6 



12. Distribution and abundance of Edwardsia spp. (E. elegans and E. sipunculoides) in the New York Bight apex 7 



1 3. Distribution and abundance of Ceriantheopsis americanus in the New York Bight apex 9 



14. Distribution and abundance of Phoronis architecta in the New York Bight apex 10 



15. Distribution and abundance of Nassarius trivittatus in the New York Bight apex 10 



16. Distribution and abundance of Nucula proximo in the New York Bight apex '. II 



17. Distribution and abundance of Aswrte castanea in the New York Bight apex 12 



18. Distribution and abundance of Arctica islandica in the New York Bight apex 13 



19. Distribution and abundance of Cerastoderma pinnulatum in the New York Bight apex 13 



20. Distribution and abundance of Pilar morrhuanus in the New York Bight apex 14 



2 1 . Distribution and abundance of Spisula solidissima in the New York Bight apex 15 



22 Distribution and abundance of Tel Una agilis in the New York Bight apex 16 



23. Distribution and abundance of Ensis directus in the New York Bight apex 17 



24. Distribution and abundance of Polygordius triestimis in the New York Bight apex 17 



