Clam dredges 1556, 1643 



dredging 756 



drills 766 



, envelops with its foot 358 



excrement 1156 



extract, injections of 580 



, treated with 1075, 1080 



extracts 1051, 1074,. 1077, 1081, 1624, 1625, 1627, 1629, 1630, 1631, 220( 



, aqueous 1083 



farmer 15 78 

 farming 1258 

 farms 12 82 

 fishery 1482, 1716 



, surf 291, 1573 



fishing 1181 



flat 482 



gametes 99 7 



gills 173 



ground 549 



growth 835 



had low net charge 1010 



harvesting, hydraulic 756, 1016 



heart 1692 



, insensitivity to eserinization 1691 



held out of water 522 



hoe (see also hoes) 504 

 , horse 1971 



industry 155, 339, 899, 973, 1551, 1643, 1815, 2001 



, destroy 1002 



, flourishing 1579 



, threat to 1312 



, intestinal muscle 1407 



, introduced between valves of 1435, 1531, 1876 



investigations 660, 661, 664, 668 



juice 266, 337, 339, 865 



, diffuse jet of 695 



landings 691 

 , large with short siphons 1720 



larvae 438, 443, 447, 451, 452, 455, 830, 834, 1144, 1376 



always present 1112 



laws 1317 



liquor, conductivity of 214 

 , little neck 1752 

 liver extracts (CLE) 891, 1076, 1079, 1492, 1495, 2204 

 management (see also management) 548 

 mariculture (see also mariculture, aquaculture, farming) 758 



656 



