In the Long Course of Organic Evolution Diverse Experiments Have Been Tried, Some Successfully and Some Not, Is Man Destined to Failure?
Preventive Medicine, Man's Battle with the Germs of Disease Toxins and Anti-toxins, Vaccines, Inoculations Disease Is An Insult to Science
Can Dogs Think? Lacking in Three Vast Advantages Humans Enjoy and Take for Granted, Dogs Cannot Be Regarded Scientifically as Thinking Animals
Hunger and Thirst, Fatigue and Pain, Cold and Warmth, Smell, Sight and Color Blindness, Hearing, Our "Intelligence Department"
Is Not a Mystic Force, Is Akin to Sleep--Walking and Insanity, Mainly of Use to the Psychologist, Other Uses are Very Limited
Understand Insanity . . . The Pleasure Principle . . . "Poor Devil, He's Sane" . . . No Desire to be Cured . . . Having a Perfectly Wonderful Time
Why Science Can Not Admit Racial Differences in Intelligence
Many of the Results of Hypnotism Are in Dispute. The Author Puts Forth Some Interesting Arguments