THE HUMBQLDT LIBRARY OF SCIENCE. 



TNo. 33. Vignettes from Nature. By Grant 



Allen. 



No. 34. The Philosophy of Style. By 



Herbert Spencer. 



: No. 35. Oriental Religions. By John Caird, 

 Pres. Univ. Glasgow, and Others. 



No. 36. Lectures on Evolution. (Illus- 

 trated). By Prof. T. H. Huxley. 



:is*o. 37. Six Lectures on Light. (Illus- 

 trated). By Prof. Tyndall. 



LNo. 38. Geological Sketches. Parti. By 

 Archibald Geikie, F.R.S. 



No. 39. Geological Sketches. Part II. 



; No. 40. The Evidence of Organic Evo- 

 lution. By George J. Romanes, 

 F.R.S. 



No. 41. Current Discussion in Science. 



By W. M. Williams, F.C.S. 



I No. 42. History of the Science of Poll- 

 lies. By Frederick Pollock. 



.: No. 43. Darwin and Humboldt. By Prof. 

 Huxley, Prof. Agassiz, and others. 



J-No. 44. The Dawn of History. Parti. By 

 G. F. Keary, of the British Museum. 



-No. 45- The Dawn of History. Part II. 



:No. 46. The Diseases of Memory. By 



Th. Ribot. Translated from the 

 French by J. Fitzgerald, M.A. 



No. 47. The Childhood of Religion. By 



Edward Clodd, F.R.A.S. 



I2*o. 48. Life in Nature. (Illustrated). By 

 James Hinton. 



JNo. 49. The Sun : its Constitution, its Phe- 

 nomena, its Condition. By Judge 

 Nathan T. Carr. 



"No. 50. Money and the Mechanism of 



Exchange. By Prof. W. Stanley 

 Jevons, F.R.S. Part I. 



2*o. 51. Money and the Mechanism of 

 Exchange. Part II. 



2*0.52. The Diseases of the Will. By 



Th. Ribot. Translated from the 

 French by J. Fitzgerald, M.A. 



Animal Automatism, and other 

 Essays. By Prof. T. H. Huxley, F.R.S. 



'.No. 54. The Birth and Growth of Myth. 



By Edward Clodd, F.R.A.S. 



.2*0. 55. The Scientific Basis of Morals, 



and other Essays. By William King- 

 don Clifford, F.R.S. 



.'No. 56. Illusions. By James Sully. Part. I. 

 No. 57. Illusions. Part II. 



,2*o. 58. The Origin of Species. By Charles 

 Darwin. Part I. (Double number). 



:T*o. 59. The Origin of Species. Part II. 

 (Double Number). 



:.No. 60. The Childhood of the World. 



By Edward Clodd, F.R.A.S. 



*sio. 61. Miscellaneous Essays. By Richard 

 A. Proctor. 



. 53. 



No. 62. The Religions of the Ancient 



World. By Prof. Geo. Rawlinson, 

 Univ. of Oxford. (Double number). 



No. 63. Progressive Morality. By Thomas 

 Fowler, LL.D , President of Corpus 

 Christi Coll., Oxford. 



No. 64. The Distribution of Animal* 



and Plants. By A. Russell Wal- 

 lace and W. T. Thistleton Dyer. 



No. 65. Conditions of Mental Develop- 

 ment, and other Essays. By Wil- 

 liam Kingdon Clifford. 



No. 66. Technical Education, and other 

 Essays By Thomas H. Huxley, F.R.S. 



No. 67. The Black Death. An account of 

 the Great Pestilence of the i4th Cen- 

 tury. By J. F. C. Hecker, M.D. 



No. 68. 

 No. 69. 



No. 70. 

 No. 71. 



No. 72. 

 No. 73- 



No. 74. 

 No. 75. 

 No. 76. 

 No. 77. 



Three Essays. By Herbert Spencer. 



Fetichism : A Contribution to An- 

 thropology and the History of Reli- 

 gion. By Fritz Schultze, Ph. D. 

 (Double number). 



Essays Speculative and Practi- 

 cal. By Herbert Spencer. 



Anthropology. By Daniel Wilson, 

 Ph. D With Appendix on Archae- 

 ology. By E. B. Tylor, F.R.S, 



The Dancing Mania of the in id- 

 die A ges. By J. F. C. Hecker, M.D. 



Evolution in History, Lan- 

 guage and Science. Four ad- 

 dresses delivered at the London 

 Crystal Palace School of Art, Science 

 and Literature. 



The Descent of Man, and Selec- 

 tion in Relation to Sex. (Numerous 

 Illustrations). By Charles Darwin. 

 Nos. 74, 75, 76 are single Nos.; No. 77 is 

 a double No. 



No. 78. Historical Sketch of the Dis- 

 tribution of Land in Kng- 

 land. By William Lloyd Birbeck, 

 M.A. 



No. 79. Scientific Aspect of some Famil- 



iar Things. By W. M. Williams. 



No. 80. Charles Darwin. His Life and 

 Work. By Grant Allen. (Double 

 Number). 



No. 81. The Mystery of Matter, and the 

 Philosophy o I Ignorance. 



Two Essays by J. Allanson Picton. 



No. 82. 

 No. 83. 



Illusions of the Senses, and other 

 Essays. By Richard A. Proctor. 



Profit-sharing Between Capi- 

 tal and Labor. Six Essays. By 



Sedley Taylor, M A. 



No. 84. Studies of Animated Nature. 



Four Essays on Natural History. By 

 W. S. Dallas, F.L.S., and Others. 



No. 85. The Essential Nature of Relig* 



ieii. By J. Allanson Picton. 



No. 86. The Unseen Universe, and the 



Philosophy of the Pure Sciences. By 

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



No. 87. The Morphine Habit. By Dr. B. 



Ball, of the Paris Faculty of Medicine. 



