4 The International Scientific Series. — (Continued.) 



46. THE ORGANS OF SPEECH AND THEIR APPLICATION IN 



THE FORMATION OF ARTICULATE SOUNDS. By G. H. 

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



SiDGWicK, B. A., Oxon. $1.75. 



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



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



search on Primitive Nervous Systems. By George J. Romanes. 



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50. THE COMMON SENSE OF THE EXACT SCIENCES. By the 



late William Kingdon Clifford. $1.50. 



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



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52. ANTHROPOID APES. By Robert Hartmann, Professor in the 



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53. THE MAMMALIA IN THEIR RELATION TO PRIMEVAL 



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54. COMPARATIVE LITERATURE. By Hutcheson Macatoat Pos- 



HETT, M. A., LL. D., F. L. S., Barrister-at-Law ; Professor of Clas- 

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55. EARTHQUAKES AND OTHER EARTH MOVEMENTS. By John 



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



