iONGL SVENSKA VETENSKAPS-AKADEMIENS HANDLINGAR, Bandet 18. N:ri 6. 



ON 80ME NEW AND LITTLE KNOWN DIATOMS 



BY 



P. T. CLEVE. 



WITH SIX PLATES. 



COMMUNICATED TO THE EOYAL SWEDISH ACADEMY OF SCIENCES SEPTEMBER 15, 1880. 



'^STOCKHOLM, 1881. 



KONGL. BOKTRYCKERIET. 



P. A. NOKSTEDT & SONE B. 



