Events, periodic 351 



Everglades, Fla. 918 



Evidence 1455 



Evolution 1069, 1720, 1960, 2231 



of cephalopods 2112 



Evolutionary systematics 2059 



Excitability 259, 2134 



Excitation, mediator of 1159 



of heart 1967 



Excitatory action/excitatory agent 14, 710 



Excite, failed to 2049 



Excites 706, 709 



Excitor transmittant 704 



Excreted 829 



Excretion 23, 744, 1247, 1876 



organs 1019 



Excretory pigment and digestion 2065 



product, normal 509 



system 1471 



ultrafiltration 1807 



Exit tube 452, 455 



Exopeptidases 139 



Exotoxin 723 



Expenditures 861 



Expense 133 



of patrolling, reduces 927 



Expensive 302, 322 



Experiment/experiments 93, 100, 104, 157, 231, 239, 247, 369, 443, 450, 451, 

 455, 504, 506, 651, 652 



Experiments, animal 1733 



, field 294 



Exploitation, cannot stand an increase in 1693 



, effects on propagation 54 



of natural beds, rational 1016 



Exploration/exploratory fishing 266, 2110 



Exploratory fishing vessel 



s 



209 



Exposed 101, 230, 249, 



273, 



335 



Exposure, chronic 545 







, duration of 



174, 



392, 



level, increase i: 



n 



392 



, long 1236 





, may have escaped 





1854 



, period of 230, 



247, 



249, 



Extinct 632, 824 





Extracellularly 161 







Extract, acetic acid 



1494 





, crude aqueous 



269, 



580 



561 



332, 532, 827 



691 



