Eals, Marion, 251
Fox, Robin, 317
Ecology, 41—42, 44, 56—63, 65, 79
Frank, Steve, 97
intelligence and, 330
Free will, 4, 5, 7
mating systems and, 187—92
Freud, Sigmund, 282—84, 318, 333, 349
Education, gender differences and,
Frogs, 161—62
257
Fruit flies, 98, 146, 179
Egypt, ancient, I98
Fungi, 71, 86
Eleanor of Aquitaine, 242
bacteria and, 70—71
Eliot, George, 3 3 3
Fusion sex, 102—4
Ellis, Bruce, 268, 269, 271—72, 298,
305
Galton, Francis, 296, 349
Ellis, Havelock, 303
-Game theory, 184, 186, 221
Elm trees, 58
//Gana San people, 194
Endler, John, 163
Gender(s), 13, 91—128
Environment of evolutionary adaptedness
asymmetry between, 178—81
(EEA), 191—93
choosing, 127—28
Ericson, Roland, 121
cultural preference patterns for, 125—28
'Essay on Man, An ' (Pope), 345
determination of, 99, 110—14
Estrus, 216
dominance and, 117—20, 124—25
Eugenics, 304, 318
hermaphroditism versus, 105—7
mentality and, 247—76
Exogamy, 118, I19, 189
and organelles, 100—103, I05 —8
Extinction, 64
parasites altering, 109—10
Extra-pair copulation (EPC), 222
selling, I20—25
I NDEX
3 99 :::
Generations, length of, 71
