KONGL. SVENSKA VETENSKAPS-AKADEMIENS HANDLINGAR. Bandet 34 N:o 8. 



RESEARCHES 



(")N 



THE VISUAL ORGANS 





OF 



THE TRILOBITES 



BY 



G. LINDSTRÖM. 



WITH SIX PLATS 



COMMUNICATED TO THE ROYAL SWEDISH ACADEMY OF SCIENCES 

 SEPTEMBER 1 2TH 1900. 



STOCKHOLM 



KUNGL. BOKTRYCKERIET. P. A. NORSTEDT & SÖNEB 

 1901. 



