Larvae in midwinter, produce viable 1388 

 _______ infected in hatcheries 1831 



/ introducing into confined and isolated body of culture water 1962 



, lamellibranch 1238, 1340, 1516 



, least crowded grew fastest 1145 



, most vigorous and rapidly growing 281 



________ new advances in study of 1113 



of all ages 452, 455 



Crassostrea died 1146 



hard clam grew rapidly and metamorphosed 1146 



Ostrea 1924 



, pelagic 1309 



per cc 1145 



_ square foot of filter 665 



unit volume of water 275, 1125 



, place to look for 1378 



________ presence of mature 665 



, rearing shellfish 1284, 1362, 1846 



, recognition of bivalve 1717 



, reduces flushing of 1324 



, retention of 827, 1340 



, seasonal abundance of 1041 



, smallest numbers after low tide 1360 



, straight-hinge 90, 133, 275, 311, 434, 442, 446 



, - veliger 987, 988, 1309 



, swimming 133, 143 



, third-stage 326 



, transferring to a confined and isolated body of culture water 1962 



, transport of bivalve 2041 



, trochophore 987, 988 



, vary with numbers per unit volume of water 1118 



, vigor of 142, 143 



will live under conditions in which oyster larvae die 2030 



Larval abundance, seasonal patterns of 667 



behavior 2077 



______ bivalve mollusks 1831, 1832 



shells 1175 



cestodes 1455, 1688 



cilia 430 



concentrations 722, 1252 



_____ culture unit 296 



cultures 1061, 1123 



development 657, 826, 1347 



, duration of 550, 667 



, simplicity of 874 



diseases 1113 

 ecology 2030 



729 



