130 WOOD NOTES WILD. 



Music in Nature. — Contin. 



"Longman's Magazine," vol. ix., 1877, pp. 399-411. {See 

 Index, Weber, F.) A reply by Wm. Pole is to be found 

 in " Nature," vol. xxxvi. pp. 343-345. 



See Index, Fowler, W. W. — Pole, Wm. — R., M. H. — Weber, 

 Z>r. F. 



Dr. Weber, referring to his article in a letter to the 

 editor, dated Jan. 5, 1891, says: "It is said that an 

 American organist claims to have discovered the principal 

 tone and its harmonics which the waters of Niagara are 

 continually singing, to be four octaves below the following : 



s 



^ - r r r 



By the law of harmonics there ought to be another 

 tone, B, — 



which the organist must have overlooked. These tones 

 are the natural tones of the French horn and the trom- 

 bone, and may be easily produced as harmonics on the 

 long Violoncello or Double Bass strings." 



Structure of Melody. 



Human Music and Animal Music. {See p. 2.) 



" It has been found by Helmholtz that the most natural successions 

 follow the order of the harmonics or upper-tones, which, as we have ob- 

 served, enter into rich notes or clangs. That is to say, the most natural 

 sequence is such as passes from the fundamental to one of the prominent 



