Matt Ridley

brush, 131—32

86

coalition of males among, 195

Welch, David, 55—56

Turner 's syndrome, 255, 257

Westermarck, Edward, 283—86

Twin studies of homosexuality, 279—80

Whales, 220

White cells, 74

Whiten, Andrew, 335, 336

Udayama, 199

Whole object assumption, 314

United States Department of Agriculture,

Willard, Dan, 115—20, 123, 125—27

121

Williams, George, 35—40, 56—59, 61—63,

University of Michigan, 300

86, 92, 115

Wilmot, John, 307

Vaccination, 74

Wilson, Edward, 2I, 275, 349

Van Valen, Leigh, 63—64

Wilson, Margo, 235—36

Veiga, Jose, 234

Wolfe, Tom, 233, 287. 300, 333

Verbal tasks, 250, 251, 257

Woodpeckers, 196, 230

Vermelin, H:, I09

World War II, 264

Vicar of Bray hypothesis, 31, 36, 47, 50,

Wrangham, Richard,

229

214,

63, 81, 86

Wright, Sewall, 3 5

Violence, 202—6

Wynne Edwards, V: C:, 32, 34—36

gender differences in, 249

jealousy and, 236

X chromosomes, 99, 110— 14,421 —23.

Virgin greenflies, 28, 29

264, 279, 280

Viruses, 71, 94

AIDS, see HIV

Yanomamo tribe, 203—5, 274

artificial, 69

Y chromosomes, 99, 110—14, 12I, I23

fusion and, 104

You Just Don't Understand (Tannen), 25 3

Voles, 247