Introductions, continued 92 



, experimental 90, 104 



into Colorado Lagoon, Calif., no records of 1606 



of foreign species 364 



Intropic, negatively 1510 



Intruded from the south 49 7 



Invader 1523 



Invasion 723 



Invertebrate fauna, changes in 1441 



heart (see also heart) 254, 255, 256, 258, 259, 260, 261, 262 



infauna 188 



muscles 1010, 1956 



preparations 1969 



resources 1447 



skeletons 351 



tropomyosin 466, 1010 



Invertebrates 17, 18, 19, 20, 33, 117, 118, 125, 127, 128, 133, 186, 257, 



420, 421, 476, 483, 653, 690, 730, 743, 745, 751, 763, 769, 780, 802, 808, 



811, 812, 832, 850, 852, 856, 858, 891, 895, 917, 943, 944, 965, 1052, 1064, 



1404, 1448, 1449, 1503, 1505, 1511, 1595, 1623, 1682, 1691, 1707, 1725, 1728, 1773, 1814, 



1896, 1898, 1900, 1947, 1952, 1968, 1972, 1978, 1992, 2022, 2055, 2073, 2148, 2186 



, common 1490 



, estuarine 2175 



benthic 2168 



littoral 364 

 sessile 1202 

 shallow water 1264 

 southern 6 32 



Investigations, field 475 

 Investment, additional justified 377 

 Iodine 1816, 1817, 1903 



-131 1503 



Ion-beam thinning 1812 



Ionoregulation 2123 



Ions 1764, 1808, 1939 



Iproniazid 1159 



Ipswich Bay, Mass. 46 8 



Ireland 133 



Iron 183, 184, 602, 1209, 1507, 1527, 1566, 1567, 1568, 1903, 1941, 2012, 2190, 2219 



-59 1500 



, cast 418 



content 1315 



diamine, high 845 



-porphyrin compounds 130 



uptake 2124 



Ironic compounds 2012 

 Irradiated 570 

 Irradiation 1999, 2000 



724 



