The luttrmtional ScUntijtc 6'^;t^*— (Cominued.) 



S5. VOLCANOES: What they Are and what ihey Teach. By John W. Judd, 

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36. SUICIDE: An Essay in Comparative Moral Siatistice. By Hknry Mok- 



SELLi M.D., Professor of Psychological Medicine, Royal University, 

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



TION OF WORMS. With Observations on their Habits. By CHARLKr^ 

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38. THE CONCEPTS AND THEORIES OF MODERN PHYSICS. By J. B. 



Stallo. $1 .7.5. 



39. THE BRAIN AND ITS FUNCTIONS. By J. LiYs. %\M. 



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



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

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.4-2. ANTS. BEES, AND WASPS. A Record of Observations of the Habits of 

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



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



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



With 148 Illustrations. $1.7.5. 



46. THE ORGANS OF SPEECH AND THEIR APPLICATION IN THE 



FORMATION OF ARTICULATE SOUNDS. By G. H. von Meyer. Pro- 

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



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48. ORIGIN OP CULTIVATED PLANTS. By Alphonse T)E Candolle. $900. 



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



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



iam Kingdon Clifford. $1..50. 



51. PHYSICAL EXPRESSION: Its Modes and Principles. By Francis War- 



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^59. ANTHROPOID APES. By Robert Hartmann. Professor in the University 

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