The International Scientific 5«rfe»— (CoDtlnued.) 



85. VOLCANOES: What they Are and what they Teach. By John W. Judd, 



F. K. S., ProfeBBor of Geology In the Koyal School of Mines. With 96 XI. 

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86. SUICIDE: An Essay in Comparative Moral Statistics. By Hehet Mob- 



SELI.I M.D., Professor of Psychological Medicine, Boyal UniTereity, 

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37. THE FORMATION OF VEGETABLE MOULD, THEOUGH THE AC- 



TION OF W0BM8. With Obseryations on their Habits. By Chaklhb 

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38. THE CONCEPTS AND THEOKIES OF MODERN PHTSICS. By J. B. 



STAUiO. $in5. 



39. THE BRAIN AND ITS FUNCTIONS. By J. Ldts. $1.60. 



40. MYTH AND SCIENCE. By Tito Vignoli. $1.50. 



41. DISEASES OP MEMORY ; An Essay in the Positive Psychology. By Th. 



HiBOT, author of " Heredity." $1.50. 



42. ANTS, BEES, AND WASPS. A Record of Observations of the Habits of 



the Social Hymenoptera. By Su: John Lubbock, Bart., F. R. S., D. C. L., 

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43. SCIENCE OF POLITICS. By Sheldon Amos. $1.75. 



44. ANIMAL INTELLIGENCE. By Gboeqb J. Romanes. $1.75. 



45. MAN BEFORE METALS. By N. Jolt, Correspondent of the Institute. 



With 148 Illustrations. $1.75. 



46. THE ORGANS OF SPEEPH AND THEIR APPLICATION IN THE 



FORMATION OF ARTICULATE SOUNDS. By G. H. von Metbb, Pro- 

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47. FALLACIES: A View of Logic from the Practical Side. By Altebd 



SmawioK, B.A., Oxon. $1.75. 



48. ORIGIN OF CULTIVATED PLANTS. By Alphonbb de Candollb. $2.00. 



49. JELLY-FISH, STAR-FISH, AND SEA-URCHINS. Being a Research on 



Primitive Nervous Systems. By Geoegb J. Romanes. $1.75. 



50. THE COMMON SENSE OF THE EXACT SCIENCES. By the late Will- 



lam KlNQDON Clifbord. $1.50. 



61. PHYSICAL EXPRESSION: Its Modes and Principles. By Fkanois War- 

 ner, M. D., Assistant Physician, and Lecturer on Botany to the London 

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52. ANTHROPOID APES. By Robebt Hahtmann, Professor in the University 

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