INDEX. 



(Phonetic letters are inclosed in [ ], words treated in ' 



[a], 41, 43, 47, 81. 



[ie], 50, 68. 



[ai], 35, 44, 45, 47, 48, 65, 67, 

 69, 117. 



[au], 40, 41. 



"a," 35, 50,67. 



"America," 35, 68. 



"and," 50. 



Amplitude, defined, 59, 75, 83; 

 of American vowels, 48. 



Analysis, qualitative, 39; audi- 

 tory, 53; quantitative, 57; 

 harmonic, 75; inharmonic, 

 99; frictional, 101; in ref- 

 erence to vocal action, 107; 

 in reference to action in the 

 ear, 125. 



Apparatus for tracing gramo- 

 phone records, 23; for trac- 

 ing phonograph records, 36 

 for analysis by the ear, 53 

 for producing vowels, 114 

 for synthesis of vibrations, 

 131. 



Auditory analysis, 53. 



[b], 48. 

 "before," 35. 

 "blood," 48. 

 Band, 33. 

 Beats, 34. 

 Berliner, 14. 

 Bessel, 87. 

 Blocks, 34. 



[0], 44, 46, 48, 50, 67, 68, 82. 

 foi], 46. 

 "called," 82. 

 " can," 44. 

 "caught," 48. 

 "come," 49, 50. 

 "creed," 44. 

 Cavity vibrations, 41. 

 Celluloid phonograph, 15, 36. 

 Change of one sound into an- 

 other, 58. 



Chinese musical instrument, 34. 



Chinese vowel, 35. 



Chord of piano, 36. 



Circumflexion, 48. 



Clarionet, 100. 



Cornet, 100. 



Cock Robin record, 38, 44. 



Coefficient of friction, 101. 



Coordinate measures, 57. 



Curves, see the special sulijects, 



e. g., yodel, gallop, [a], [o], 



etc. 



[d], 47, 48. 

 "die," 47. 

 "do," 50. 

 Depew record, 40. 

 Diaphragms, experiments on, 

 16; method of vibration, 18. 

 Diphthongs, 41, 44, 48. 



[5], 40, 42, 44, 48. 



[e], 35, 44. 



[e], 35, 48. 



[0], 35, 44, 45, 48, 49, 50, 67. 



"ein," 69. 



"eye," 45. 



Ear, action in, 125; analysis by, 

 53. 



Edison, 14. 



Elizabeth Thompson Science 

 Fund, 36. 



Emotional expression, melody 

 of, 64. 



Examples of vowel analysis, 137. 



Experiments, on sound boxes, 

 16; on vowels, 114. 



Expression of emotions in mel- 

 ody, 63. 



[f], 48. 



"family's," 50. 

 "fish," 48. 

 "fourteenth," 147. 

 Factor of friction, 101. 

 Fixation of diaphragms, 18. 



•■) 



Fourier, 75, 84. 

 Frequency dot, 62, 75. 

 Frictional analysis, 101. 

 Frictional sinusoids, 101. 

 Fundamental, 107. 



[g], 43. 



"glass," 50. 



Gallop, 3). 



German initial vowels, their 

 melody, 69. 



Glide, 42. 



Glottal lips, method of vibra- 

 tion, 109, 116. 



Gong, 33. 



Graham record, 35. 



Gramophone, 15. 



Grassmann, 109. 



[h], 46. 

 "highly," 35. 

 "his," 48. 



Harmonic analysis, 75, 85. 

 Harmonic plot, 76, 91. 

 Harmonic series, 75. 

 HelmhoUz, 96, 125. 

 Hermann, 79, 96, 111. 

 Horse galloping, 34. 



[i], 44. 



[i], 35, 40, 42, 43, 44, 45, 47, 



48,49. 

 "I," 44, 46, 48, 65, 67, 117. 

 Inharmonic analysis, 99. 

 Inharmonic components, 81. 

 Inhannonics, 77. 

 Initial vowels, 65. 

 Interjections, melody of, 63. 

 Intensity diphthong, 48. 

 Interpreting curves, 39. 



Jefferson record, 46, 49. 



[k], 48. 



[1], 45, 48. 

 "httle," 45. 

 Laughter, 36, 50. 



203 



