CONTENTS. 



Art. 1.— Researches on the electric discharge of the isolated electric 

 organ of /Isfrapei Japanese electric ray) by means of oscillograph. 



(With 30 plates). By K. Fiji — Piibl. I'ec. 11th, 1914. 



Art. 2.— Recherches sir les spectres d'absorption des ammine-complexes 



métalliques. I. By Y. Suhim -.— Pnl)l. Sept. 30th, lülö. 

 Art. 3.— Considerations on the problem of latitude variation. Py K. 



SoToMK. — Pull]. Nov. 30th, 101.".. 



Art. 4.— On the distribution of cyclonic precipitation in Japan. P-y 

 T. Ti.KADA, T. YoKoiA and S. OiiKi.— Pnbl. Jan. 27tli, 1910. 



Art. 5.— On the relatively Abelian corpora with respect to the corpus 

 defined by a primitive cube root of unity. Py T. Takixotciu. — 

 Puhl. Mav. SUtli, 1910. 



Art. 6. — Numerical calculation of the Jacobian ellipsoids. By P. Kaibara. 



— Publ. July 20tli, 1910. 



Art. 7.— On the elastic equilibrium of a semi-infinite solid under given 

 boundary conditions, with soîiie; applications. By K. ïep.azaw.a. 



— Puhl. Pec. 7tl), 1910. 



Art. 8.— Eeoherches sur les spectres d'absorption des ammine-complexes 

 métalhques. II. Py Y. Shuata — Publ. Dec. '29th, 1910. 



Art. 9.— On rapid periodic variations of terrestrial magnetism. By 

 T. ÏKi-.Ai.A.— Publ. May 25tlK 1917. 



Art. 10.— On the photographic action of «, ß and r rays emitted from 

 radioactive substances. (With o plates). By S. Kino^hua and H. 



I a-T-Ti.— PuM. Nov. 20th, 1917. 



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