ON HAIIMONIC ANALYSIS OF TIDAL OBSERVATIONS. 



343 



British Work on Harmonic Analysis of Tidal Heights — (cont.). 



Authorities for Analysis. 



1. Thomson and Roberts. 1 3. E. Connor. 1 5. Darwin. 



2. Roberts. | 4. Wright. | 6. Selby and Hunter. 

 The number of stations considered is 57 ; the aggregate record analysed amounts 



to about 90 years. 



