Estuarine dependence, questioned the basis of 1644 



deposits, ancient 1644 



ecosystem 427 



environment/estuarine environments 298, 392, 1254, 1673, 2111 



, importance of 1644 



fisheries 1288 



graveyards 1644 



inventory 1219- 



invertebrates 321, 1727 



manipulations 1001 



mollusks 1501, 1507, 1521, 1675 



organisms 999, 1308 



research 



724 



species 



1554 



waters 



545, 



726 

 Estuary 1762, 2041, 2048, 2120 



of the Mersey, England 1241 



, potential of the 1588 



, present distribution in 1324 



waters 1305 



Etching agent 360 



solution 477 



Ethanol, acetic acid 1279 



, acute tolerance to 2213 



denaturation 2052 



extraction 46 3 



preparation 1297, 1298 



Ether oxygen group 1988, 1990 



, a, 6-unsaturated 2188 



Ethylene glycol 1344 



Etiologic agent 326, 1061 



Etiology 1831 



Euchaeta 1072 



Eulamellibranch 1226 



Eulamellibranchia 84, 85, 152, 1164, 1947, 1950 



Eupleura 41, 281, 1044, 1191, 1192, 1734 



Europe 92, 133, 320, 426, 824, 1015, 1061, 1478, 1574 



European Economic Community 1000 



Euryhaline 297 



Eurypanopeus 1998 



Eutrophication 535, 1596 



, controlled 159 8 



Evaluation 2028 

 Evaporation 910 



rate, high 1959 



Evasterias 347 



Events, natural 861 



690 



