Pt. IV. Published March 30th, 1900. 



Further Observations on the Nuclear Division of Noctiluca. 



By C. IsHiKAWA, Ph. D., Prof. (With Plates XIX) 243 



Notes on Some Exotic Species of Ectoparasitic Trematodes. 



By S. Goto, RigakuhalmsU, Prof. {With Plates XX & XXI). 263 

 Tentamen Florae Lutchuensis. Sectio Prima. Plantae 



Dicotyledoneae Polypetalse. By T. Ito, F.L.S., and 



J Matsumura, Rigal'uhalaislii, Prof ;. 263"''-" 



Pages 263 — 295 bis. By oversight of the printer the paging of Prof. Goto's 

 article has been repeated in the next following by Messrs. Ito and 

 Matsumura. 



PKINTED AT THE 'TOKYO TSUKIJI TYl'K KOUNDUY 



