CONTENTS. 



Art. 1. — Ammonium and other Imidosulphites. By E. Divers and 

 M. Ogawa.— Publ. Dec. 13th, 1901. 



Art. 2.— Nitrilosulphates. By E. Divers and T. Haga. Publ. Dec. 

 13th, 1901. 



Art. 3.— Contributions to the Embryology of Amphibia :— The 

 Mode of Blastopore Closure and the Position of the Embry- 

 onic Body. (With 4 plates). By S. Ikeda. — Publ. June 12th, 

 1902. 



Art. 4. — On the Development of Lingula anatina, (With 8 

 plates). By N. Yatsu.— Publ. June 12th, 1902. 



Art. 5. — Notes on Histology of Lingula anatina. (With 2 plates). 

 By N. Yatsu.— Publ. June 12th, 1902. 



Art. 6.— On Some Fossils from the Islands of Formosa and Riu- 



kiu. (With 4 plates). By B. B. Newton and R. Holland. — 



Publ. May 28th, 1902. 

 Art. 7.— Some New Scyphomedusae of Japan. (With 2 plates). By 



K. Kishinouye. — Publ. June 26th, 1902. 

 Art. 8.— Preparation of Sulphamide from Ammonium Amido- 



sulphite. By E. Divers and M. Ogawa.— Publ. June 23rd, 1902. 

 Art. 9.— Studies on the Hexactinellida. Contribution II. (The genera 



Corbitella and Hetelotella). (With 1 plate). By I. Ijima. — Publ. 



July 3rd, 1902. 

 Art. 10. — Studies on the Parasitism of Buckleya Quadriala, E. 



et H., a Santalaceous Parasite, and on the Structure of its 



Haustorium. (With 1 plate). By S. Kusano. — Publ. Aug 11th, 



1902. 

 Art. 11. — Observations on the Japanese Palolo, Ceratocephale 



osaivai, n. sp. (With 2 plates). By A. Izuka. — Publ. July 1st, 



1903. 

 Art. 12.—- On the Fossil Echinoids of Japan. ( With 4 plates). By 



S. Tokunaga.— Publ. Aug. 1st, 1903. 



PRINTED AT THE " TOKYO TYPE FOUNDRY." 



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