Cercarial encystment, stimulated 333 

 Cerebratulus 1398 



Cerebro-visceral commissures 255 

 Cerium 288 



-144 1500, 1501, 1504 



Certified/uncertified waters 817, 970 



for harvest and sale 643 



Cesium-137 1504 

 Cesspools 927 



, elimination of 356 



Cestodes 235 

 Chaetooeros 122, 991, 1563 



Chain weight 1060 



, larger 466 



reduced 19 56 



Chains, identity of two 1957 



, ec-helical, intertwined 394 



_, regulatory light 982, 2092, 2093, 2221 



Chalinasterol 898 



Chalk 435 



Chandeleur Islands/Chandeleur Sound, La. 266, 813, 858, 977, 1337, 1705, 2110 



Change, annual 134 



water every 2 or 3 days 1125 



Changes in pH and temperature 1346 



position of 2 kinds of filament 772 



, seasonal 2003 



Channel, outfall 99, 102 



regions, principally in 2077 



, stabilize 658 



Channels, edges of 1897 



, effects of 1310 



Chaotic 150 



Characterization 1494, 1495, 1638 



Charente-Maritime, France 9 2 



Charge, anionic 1010 



Charles Island, Conn. 1608 



Charleston Harbor, S. C. 1001, 1002 



, shoaling of 1312 



Charlestown Pond, R. I. 565, 1467, 2077, 2190 



Charlotte County /Charlotte Harbor, Fla. 266, 676, 1205, 1219, 2046 



Chatham, Mass. 150 



Check demand 150 



valves 665 



Checklist 38, 1273, 1517, 1947 



, annotated 1164, 1267 



Chelating agent 535 

 Chemical/chemicals 481, 1027 



651 



