The International Scientific Series. (Continued.) 



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



STALLO. $1.75. 



39. THE BRAIN AND ITS FUNCTIONS. By J. LUYS, Hospice Salpetriere, 



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41. 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 



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43. THE SCIENCE OF POLITICS. By Professor SHELDON AMOS. $1.75. 



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45. MAN BEFORE METALS. By Professor N. JOLT, Science Faculty of Tou- 



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46. THE ORGANS OF SPEECH AND THEIR APPLICATION IN THE 



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



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48. ORIGIN OF CULTIVATED PLANTS. By ALPHONSE DE CANDOLLE. $2.00. 



49. JELLY-FISH, STAR-FISH, AND SEA-URCHINS. A Research on Primi- 



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50. THE COMMON SENSE OF THE EXACT SCIENCES. By WILLIAM KING- 



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51. PHYSICAL EXPRESSION : Its Modes and Principles. By FRANCIS WAR- 



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52. ANTHROPOID APES. By Professor ROBERT HARTMANN, University of 



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53. THE MAMMALIA IN THEIR RELATION TO PRIMEVAL TIMES. By 



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54. COMPARATIVE LITERATURE. By Professor H. M. POSNETT, M. A., Uni- 



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55. EARTHQUAKES AND OTHER EARTH MOVEMENTS. By Prof essor JOHN 



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56. MICROBES, FERMENTS, AND MOULDS. By E. L. TROUESSART. With 



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57. THE GEOGRAPHICAL AND GEOLOGICAL DISTRIBUTION OF ANI- 



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58. WEATHER. A Popular Exposition of the Nature of Weather Changes from 



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