G. LINDSTRÖM.
WITH SIX PLATS
COMMUNICATED TO THE ROYAL SWEDISH ACADEMY OF SCIENCES
SEPTEMBER 12TH 1900.
STOCKHOLM
KUNGL. BOKTRYCKERIET. P. A. NORSTEDT & SÖNER
1901.
CONTENTS.
| Introduction | Page | [6]. |
| Blind Trilobites | » | [9]. |
| The eyes of the trilobites | » | [26]. |
| On the maculæ of the hypostoma | » | [35]. |
| Conclusions | » | [71]. |
| Explanation of the plates | » | [75]. |