1899. An attempt to popularize the science of reasoning by the combination of humorous pictures with examples of reasoning taken from daily life. With original illustrations from drawings by the author engraved on wood by G. Pearson. Contents: What is Science?; What is Art?; Logic is a Science and an Art; Form and Matter of Thought; The Reconciliation, and also How Logic is More of a Science than an Art; Logic the Science of Sciences and Art of Arts; The Relation of Logic to Language; All Thought is Comparison; The Term; Connotation and Denotation; Propositions; Distribution of Terms in a Proposition; Heads of Predicables; Definition; Division; Inference; Syllogism; Syllogism-Canon of First Figure-Reduction; Trains of Reasoning-Sorites; Hypothetical Syllogism; Probably Reasoning and The Fallacies.