No. 71. ArcJifBologi/. By Daniel Wilson, Ph.D. With Appendix on An- 

 thropology", by E. B. Tylor, F.R.S. 



No. 72. The Dancing Mania of the Middle Ages. By J. F. C. 

 Hecker, M.D. 



No. 73. Evolution in History , Language and Science. Four Ad- 

 dresses dehvered at the London Crystal Palace School of Art, 

 Science and Literature. 



Vio. 74. 1 The Descent of Man, and Selection in Relation to Sex. {isum 

 No. 75. ( erous Illustrations) By Charles Darwin. Nos. 74, 75, 76 are 

 No. 76. [ single I^os.; JSo. 77 is a double No. Price of the entire work. 

 No. 77. J 75 cents. 



No. 78. Historical Sketch of the Distribution of Land in Eng-^ 

 land. By William Lloyd Birkbeck, M.A. 



No. 79. Scientific Aspect of Some Familiar Things, 



by W. M. Williams. 



No. 80. (Double Number, 30 cents). Charles Darwin. His Life and 

 Work. By Grant Allen. 



N©. 81. The Mystery of flatter, and the Philosophy of Ignor- 

 ance. Two Essays by J, Allanson Picton, 



No. 82. Illusions of the Senses : and other Essays. By Richard A. 



Proctor. 

 No. 83. I*rofit- Sharing Between Capital aitl Labor. Six Essayat 



By Sedley Taylor, M.A. 

 No. 84. Studies of Animated Nature. Four Essays on Natural History. 



By W. S. Dallas, F.L.S. 

 No. 85. The Essential Nature of Heligion. By J. Allanson Picton;. 

 No. 86. The Unseen Universe^ and the Philosophy of the Pure Science?- 



By Prof. Wm. Kingdon Clifford, F.R.S. 

 No. 87. The Morphine Habit.By Dr. B. Ball, of the Paris Faculty of 



Medicine. 

 No. 88. Science and Crime and other Essays. By Andrew Wilson, F. 



K.8.E. 

 No. 89. The Genesis of Science. By Herbert Spencer. 



No. 90. Notes on Earthquakes : with Fourteen Miscellaneous Essays. 

 By Richard A. Proctor. 



No. 91. (Double number 30 cents.) The Hise of Universities. By S.S, 

 Laurie, L.L.D. 



No. 92. (Double number 30 cents.) Hie Formation of Vegetable 

 Mould through the Action of Earth Worms. By 



Charles Darwin, LL.D. F.R.S. 

 No. 83. (Special number 10 cents.) Scientific Methods of Capital 



Punishment, By J. Mount Bleyer, M.D. 

 No. 94. The Factors of Orga/nic Evolution, By Herbert Spencer. 

 No. 95. The Diseases of Personality. By Th. Ribot. Translated from 



the French by J. Fitzgerald, M.A. 



No. 96. A Half-Century of Science, By Prof. Thomas H. Huxley. 



and Grant Allen. 

 No. 97. The Pleasures of Life. Part I. By Sik John Lubbock, Bart. 

 No, 98. (Special number 10 cents.) Cosmic Emotion : Also the Teach^ 



ings of Science. By Wh-liam Kingdon Clifford. 

 No= 99. Nature- Studies. By Prjf F. R. Eaton Lowe; Dr. Robert 



Brown, F.L.S. ; Geo. G. Chisholm, F.R.G.S., and James Dallas, 



F.L.S, 

 No. 100. Scie ce and Poetry, with other Essays. By Andrew Wn- 



* son, FR.S.E. 

 No. 101. Esthetics; Dreams atid Association of Ideas. By Jab. 



Sully and Geo. Croom Robertson. 

 No. 102. Ultimate Finance; A True Theory of Co-operation. 



By William Nelsov Black. 

 No. 103. The Coming Slavery ; The Sins of Legislators ; The 



Great Political Superstition. By Herbert Spencer. 



