Economic feasibility of viral purification 619 



halo 929 



impacts 634 



importance 201, 244, 321, 373, 1303 



, second in 548 



losses 549, 1061, 1921 



malacology 1226 



perspective 637 



potential 67, 76, 295 



problems 1125 



_______ problems largely 2036 



research on clams 1737 



structure of private industry 1694 



survey 29 5 



value 576, 1398 

 viability 652 



Economical commercial operation 301 

 Economically 1218 



feasible 133, 300 



unfeasible 421 



Economics 150 



of dredging quahogs 863 



quahog depuration 864 



Economists might help 378 



Economy of local communities 1211 



Ecosystem, salt marsh 1787 



Ecosystems 228, 1178, 2005 



Ecotone 211 



Ectoplasm, fans of 596 



Edgartown, Mass. 152 



Edge Cove, N. J. 1379 



Eel Pond, Mass. 106, 416 



Eelgrass 17, 19, 356, 469, 582, 657, 1025, 1215, 1245, 1725, 1887, 1897, 1995 



beds, catastrophic decline of 1995 



, disappearance of 470, 2031 



, rarity of Mercenaria in 1070 



Effect, abolishes the 262 

 , exciter 2049 



, no lethal 428 



Effective, too 1556 

 Effectiveness, increase 250 

 Effects, adverse 132, 191, 238 



decreased sharply in all directions away from power plant 9 89 



, chronic 545 



, inhibitory 261, 1074, 1076 



, minimize 124 



, narcotic 872 



683 



