Nitroxide derivative 2087 

 Nitzschia 346, 946, 1544, 2181 



Nomarski interference phase optics 1170 

 Non-algal 310 



-deposition period in daylight 1182 



-dialyzable 1074 



-epidemic period 100 8 , 



-neoplastic tissue 1629 



- , no effect on 1629 



-nervous tissue/non-nervous tissue extracts 12 



-species specific 125 



_-toxic 137, 428, 464, 1493 

 Noradrenaline (NA) 12, 623, 1967, 1978 



, endogenous 171 



Norepinephrine 704, 1759 



Norfolk. Va. 899 



North America/North American 133, 320, 326, 361, 424, 425, 426, 721, 968, 1478 



American Indians 



shellfish 



1241 



1405 



58, 

 680, 



60, 

 697, 



250, 

 871, 



287, 

 899, 



292, 



962, 





Carolina 49, 56, 

 341, 414, 484, 630, 



304, 

 977, 



310, 337, 338, 339, 340, 

 978, 1032, 1217, 1218, 1274, 

 1399, 1479, 1481, 1482, 1483, 1507, 1546, 1680, 1816, 1895 



Hempstead, N. Y. 155 



Sea 21, 1802 



Northport Harbor, N. Y. 549, 1192, 1889 



Northumberland Strait, Canada 354, 994 



Northville, N. Y. 549 



Norwalk Harbor, Conn. 1016 



Nova Scotia, Canada 8, 354, 423, 632, 934, 994, 1198, 1262, 1717 



Nuclear materials, clumping 602 



power plant 376, 1543 



Nucleatior. time 129 7 

 Nucleic acid 563, 1494 

 Nucleotide 837, 1764 

 Nucleus, interpeduncular 2199 

 Nuov.la 909, 1068, 1070 

 Number, final 1244 



, initial 1244 



killed 858 



of eggs 444, 445 



Numbers, dominant in 189 



to smother predation 2170 

 Nursery area 41, 299, 300 



operations 40 



-raft culture methods 960 



tank farm 5 36 



unit, juvenile 296 



Nutrient concentrations, manipulation of 1711 



756 



