KONGL. SVENSKA VETENSKAPS-AKADEMIENS HANDLINGAR. Bandet 34 N:o 8.RESEARCHESONTHE VISUAL ORGANSOFTHE TRILOBITESBYG. LINDSTRÖM.
KONGL. SVENSKA VETENSKAPS-AKADEMIENS HANDLINGAR. Bandet 34 N:o 8.
RESEARCHES
ON
OF
THE TRILOBITES
BY
WITH SIX PLATS
COMMUNICATED TO THE ROYAL SWEDISH ACADEMY OF SCIENCES
SEPTEMBER 12TH 1900.
STOCKHOLM
KUNGL. BOKTRYCKERIET. P. A. NORSTEDT & SÖNER
1901.