The International Scientific ^eri^— (Continued.) 



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

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36. SUICIDE: An Essay in Comparative Moral Statistics. By Benrt Mor- 

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57, THE FORMATION OF VEGETABLE MOULD, THROUGH THE AC- 

 TION OF WORMS. With Observations on their Habits. By Charles 

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

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39. THE BRAIN AND ITS FUNCTIONS. By J. LuTS. $1.50. 



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



11. DISEASES OF MEMORY: An Essay in the Positive Psychology. By Th, 

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



the Social Hymenoptera. By Sir 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 George J. Romanes. $1.75. 



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



With 148 Illustrations, $1.75. 



46. THE ORGANS OF SPEECH AND THEIR APPLICATION IN THE 



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

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



SiDGWiCK, B.A., Oxon. $1.75. 



48. ORIGIN OF CULTIVATED PLANTS. By Alphonse de Candolle. $2.00. 



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



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50. THE COMMON SENSE OFTHE EXACT SCIENCES. By the late WrLL- 



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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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New York : D. APPLETON & CO., 1, 3, & 5 Bonrl Street. 



