§ 6 (_d_) Presuppositions of Evidence-Taking 20 § 7 (_e_) Egoism 25 § 8 (_f_) Secrets 28 § 9 (_g_) Interest 37 Topic 3. PHENOMENOLOGY: The Outward Expression of Mental States 41 § 10 41 § 11 (_a_) General External Conditions 42 § 12 (_b_) General Signs of Character 53 § 13 (_c_) Particular Character-signs 61 (_d_) Somatic Character-Units 69 § 14 (1) General Considerations 69 § 15 (2) Causes of Irritation 71 § 16 (3) Cruelty 76 § 17 (4) Nostalgia 77 § 18 (5) Reflex Movements 78 § 19 (6) Dress 82 § 20 (7) Physiognomy and Related Subjects 83 § 21 (8) The Hand 100 TITLE B. THE CONDITIONS FOR DEFINING THEORIES 105 Topic 1. THE MAKING OF INFERENCES 105 § 22. 105 § 23 (_a_) Proof 106 § 24 (_b_) Causation 117 § 25 (_c_) Scepticism 129 § 26 (_d_) The Empirical Method in the Study of Cases 136 § 27 (_e_) Analogy 144 § 28 (_f_) Probability 147 § 29 (_g_) Chance 159 § 30 (_h_) Persuasion and Explanation 161 § 31 (_i_) Inference and Judgment 165 § 32 (_j_) Mistaken Inferences 176 § 33 (_k_) Statistics of the Moral Situation 179 Topic 2. KNOWLEDGE 183 § 34 183 PART II. OBJECTIVE CONDITIONS OF CRIMINAL INVESTIGATION (THE MENTAL ACTIVITY OF THE EXAMINEE) 187 TITLE A. GENERAL CONDITIONS 187 Topic 1. OF SENSE PERCEPTION 187 § 35 187 § 36 (_a_) General Considerations 187 (_b_) The Sense of Sight 196 § 37 (1) General Considerations 196 § 38 (2) Color-vision 204 § 39 (3) The Blind Spot 207 § 40 (_c_) The Sense of Hearing 208 § 41 (_d_) The Sense of Taste 212