|apt. 1, Animals in the history of Western thought -- Bible ; Selections -- Animals and slavery / Aristotle -- Differences between rational and other creatures ; On killing living things and the duty to love irrational creatures / Saint Thomas Aquinas -- Animals are machines / Rene Descartes -- A reply to Descartes / Voltaire -- Duties in regard to animals / Immanuel Kant -- A utilitarian view / Jeremy Bentham -- Comparison of the mental powers of man and the lower animals / Charles Darwin -- The ethic of reverence for life / Albert Schweitzer -- pt. 2, The nature of humans and other animals -- Why animals lack belief and desires / R.G. Frey -- Thought without language / Bernard Rollin -- Ethology and animal minds / Donald R. Griffin -- Animal pain / Bernard Rollin -- Language acquisition in nonhuman primates / Erik Eckholm -- pt. 3, Equal consideration for animals -- All animals are equal / Peter Singer -- The priority of human interests / Lawrence C. Becker -- Darwin, species, and morality / James Rachels -- pt. 4, Animal rights -- The case for animal rights / Tom Regan -- The case against animal rights / R.G. Frey -- Why animals cannot have rights / Alan White -- Why animals have a right to liberty / James Rachels -- Animals have no rights / Catholic dictionary -- The theos-rights of animals / Andrew Linzey -- pt. 5, Killing and the value of life -- Life, death, and animals / Edward Johnson -- Why death does not harm animals / Ruth Cigman -- Why death does harm animals / Tom Regan -- pt. 6, The treatment of farm animals -- Down on the factory farm / Peter Singer -- The case for intensive farming of food animals / Stanley E. Curtis -- The case against raising and killing animals for food / Bart Gruzalski -- A defense of meat eating / Jan Narveson -- pt. 7, The treatment of animals in science -- The use of animals in science / Sidney Gendin -- The case for unrestricted research using animals / C.R. Gallistel -- The case for restricting research using animals / Mary Midgley -- Vivisection, morals, and medicine : an exchange / R.G. Frey and Sir William Paton -- pt. 8, The treatment of wildlife -- Extinction / Paul and Anne Ehrlich -- The value of species / Holmes Rolston, III -- Nature and feminist sensitivity / Marti Kheel -- Why does species matter? / Lily, -Marlene Russow -- pt. 9, Epilogue -- The limits of Trooghaft / Desmond Stewart.