^^H OTIC E_-è-^ 



With the Article under this cover (Vol. XVIL, Art. 12), Vol. 



XVII. of the Journal is closed, so that it may now be bound. Appended 

 to this Article are the title page and the contents to that volume. 



Yol. X1Y of this Journal is under preparation. 



Published Articles of Vol. XVIII. 

 Art. 1. — Studies on llic lEexaciinellida. Contribution III. (Placosoma, a New Eupleo 

 tellid ; Leucopsacidce and Caulophacidœ). {Willi 8 plates). By 1. IjiMA. — Publ. May 

 5th, 1903. 

 Art. 2.— Cretaceous Cephalopoda from the Hokkaido. Part I. Iytoceras, Oaudryceras 



and TetraganUez, (With 7 plates). By II. Yabe.— Publ. June 8th, 1903. 

 Art. S. — On the Formal ion of Aiithoçyan in the l'etaloid Calyx of J he Red 

 Japanese Hortense. (.With une plaie). By T. ICHIMUBA.— Publ. June 25th, 190,"». 

 Art. 4, now under preparation. 



Published Articles of Vol. XIX. 



Art. 1. — An Orographic Sketch of Korea. (With 4 plates). By B. Koto. — Publ. April, 



33rd, 1903. 



Articles 2— 4, now under press. 

 Art. 5. — l'eher die im Bereiche «1er rationalen Kahlen Ahel'schen Zahlkörper. 



Von T. Takagi.— Publ. May 21st, 1903. 

 Art. 6 — Rigidity of Rocks and Hysteresis Function. (With 22 plates). By S. KCSA- 



KAJ.K.— Publ. June 21st, 1903. 

 Art. 7. — l'eher einige Anhydrobasen ans IHumiiien der Fettreihe. Von. Ï. Haga und 



R. Majima.— Publ. June 25th, 1903. 

 Art. 8, now under preparation. 



PRINTED AT THE "TOKYO TSL'KIJI TYPE FOUNDRY.' 



