Harmonic Analysis of Tidal Observations. 3 



the material: — General Baron Fujii, formerly director of the 

 Land Survey Department, General Okubo, the present director of 

 the Land Survey Department, General Tasaka, formerly head of 

 the Triangulation Department, Mr. Sugiyama, surveyor in the 

 Land Survey Department, Mr. Niwa, the head of the temporary 

 office for constructing the harbour at Yokohama, and Mr. Saito, 

 the head of the temporary office for constructing the harbour at 

 Kobe. 



Among others, Messrs. Naozo Ichinohe, Masao Hashimoto, 

 Shozaburo Tashiro, Kiyohiko Ogawa and Sakae Nasa rendered 

 efficient service in the progress of this work, and it is my pleasure 

 to acknowledge their valuable assistance. I here express my 

 special thanks to Mr. Ichinohe, who has arranged the material and 

 written the present report. Above all, I am very much obliged 

 to Prof. Terao, the president of the Geodetic Committee, who 

 showed continuous interest in the progress of the work. 



The Sites of the Observatories. 



At present, there are two permanent observatories on the 

 coast of Hokkaido, one of them on the coast of the Pacific Ocean 

 and the other on that of the Japan Sea, six permanent observa- 

 tories and two temporary ones along the coast of Honshu, three 

 of them on the Pacific coast, one of them on the coast of the Seto 

 Inland Sea and the remaining four on the coast of the Japan Sea; 

 none along the coast of Shikoku ; two permanent observatories on 

 the coast of Kyushu, one of them facing the Pacific Ocean and 

 the other the Eastern Sea, and also two permanent observatories 

 on the coast of Taiwan (Formosa), one of them facing the Eastern 

 Sea, and the other the China Sea. Thus classifying the sites 



