Organism of the Senses—Their Strength and Acuteness in Inferior Races—The Cause of Negro Indolence Explained—The Necessity of Governing the Negro—Incapacity of the “Free Negro” to Produce Sufficient for his own Support—His Ultimate Extinction Simply a Question of Time—Incapacity of the Negro for the Higher Branches of Mechanism—Effect of Flogging on the Negro Senses, etc., etc. 115 CHAPTER XI. THE BRAIN. Erroneous Impressions Relative to the Brain—What Constitutes the Brain—Its Size the True Test of Intelligence—General Uniformity of the Negro Brain—Its Correspondence with the Body—Its Size, when Compared with that of the White Man—The Folly and Impiety of Attempting to Equalize those whom God has made Unequal, etc. 123 CHAPTER XII. GENERAL SUMMARY. Recapitulation and Review of the Outward Characteristics of the Negro—Color, etc., seen to be only a Single Fact out of the Millions of Facts separating Races—Inner Qualities necessarily Correspondent with the Outward ones—Conclusion 132 PART II. CHAPTER XIII. HYBRIDISM. The Laws of Interunion fully Explained—A fixed and well-defined Limit to Mulattoism—Prostitution in the North, and Mulattoism in the South—Amalgamation and its Consequences—The Physiological Laws governing Mulattoism and Mongrelism—Condition of the Negro in Jamaica, Hayti, etc.—The Negro, when Isolated, certain to Relapse into his Original Barbarism—Intellectual Difference between Negroes and Mulattoes—The Viciousness and Cowardice of the Mongrel—His Low Grade of Vitality, etc., etc. 143 CHAPTER XIV. THE “SLAVE TRADE,” OR THE IMPORTATION OF NEGROES. General Review of the Subject—The Absurdity of Attempting to Civilize Africa—The Adaptability of the Negro to Tropical Labor—Las Casas and the Negroes and Indians—How the Spanish Government conducted “the Slave Trade”—Its Inhumanity, as practiced by the Dutch and English—The Benefits of the Original “Slave Trade”—The Reason why England is so Anxious to Abolish “Slavery,” etc., etc. 168 CHAPTER XV. NORMAL CONDITION OF THE NEGRO.