MR. HERBERT SPENCER'S WORKS. THE DOCTRINE OF EVOLUTION. FIRST PRINCIPLES. 7th Thousand. 165. PRINCIPLES OF BIOLOGY. 4th Thousand. 2 vols. 345. PRINCIPLES OF PSYCHOLOGY. 4th Thousand. 2 vols. 365. PRINCIPLES OF SOCIOLOGY. Vol. I. Third Edition. 215. CEREMONIAL INSTITUTIONS. 2nd Thousand. 75. POLITICAL INSTITUTIONS. 2nd Thousand. 12s. ECCLESIASTICAL INSTITUTIONS. 2nd Thousand. Svo Cloth. 5s. THE DATA OF ETHICS. 4th Thousand. 8s. Other Works. THE STUDY OF SOCIOLOGY. Library Edition (the 9th). 8vo. 105 Od. EDUCATION. Gth Thousand. 6s. Also cheap Edition. 12th Thousand. 25 Cd. ESSAYS. 2 vols. 4th Thousand. 165. ESSAYS. (Third Series.) 3rd Thousand. 85. THE MAN versus THE STATE. In cloth, 2nd Thousand. 2s 6d Also cheap Edition, 7th Thousand. 15. THE FACTORS OF EVOLUTION. Cloth. 25 6i. Also Mr. SPENCER'S DESCRIPTIVE SOCIOLOGY, COMPILED AND ABSTRACTED BY Prof. Duncan, Dr. Scheppig, and Mr. Collier. Folio, Boards. ]. English ... i8j 2. Ancient American Races 1 6s 3- Lowest Races, Negritos, Polynesians... ... 18* 4- African Races ... 16s 5- Asiai ic R ICES ... j8* 6. American Races ... 18* 7- Hebrews and Phoenicians 21s 8. French ... 30s