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ICONES OF JAPANESE ALGAE. 



Vol. IV. No. II. 



BY 



K. Okamura 



Contents cf No. II. (PL. CLVI CLX.) 



Helminthocladia australis Harv. 

 Odonthalia semicostata (Mert.) J. Ag. 

 Nemalion vermiculare Suring. 

 Actinotrichia rigida (Lam.) Decne. 

 Callophyllis crispata Okam. 

 Hypnea cervicornis J. Ag. 

 Chondrus elatus Holm. 



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Published 



by 

 THE AUTHOR. 



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Tolcj-o. 



