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, 
Dr. 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: 
2 ri) 
1nd t 
- — 
i 
fy 
CaS 
q 
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 aNnp ANIMAL Music. (See p. 2.) 
“Tt 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 
