Researches on the visual organs of the trilobites
by Gustaf Lindström
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Language: English
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About this eBook
- Author
- Lindström, Gustaf, 1829-1901
- Title
- Researches on the Visual Organs of the Trilobites
- Original Publication
- Sweden: Royal Swedish Academy of Sciences,1901.
- Credits
- Tom Cosmas produced from materials provided by Hathi Trust and placed in the Public Domain.
- Language
- English
- LoC Class
- QE: Science: Geology
- Subject
- Trilobites
- Category
- Text
- Project Gutenberg
- eBook-No. 67265
- Release Date
- January 28, 2022
- Copyright
- Public domain in the USA.
Contents
- 1.Untitled
- 2.THE VISUAL ORGANS — G. LINDSTRÖM.
- 3.CONTENTS.
- 4.INTRODUCTION.
- 5.Blind Trilobites. — A. The Olenellus line. — B. The Sao line. — I. — II. — III.
- 6.The eyes of the Trilobites. — I. Genera with compound eyes. — II. Genera with aggregate eyes of biconvex lenses. — III. Genera with isolated eyes, one or several stemmata at the extremity of a straight facial ridge. — I. Compound eyes. — 1. Eyes with prismatic, plano-convex lenses. — 2. Eyes with biconvex lenses. — II. Aggregate eyes. — III. Genera with stemmata and ocelli.
- 7.On the maculæ of the hypostoma.
- 8.CONCLUSIONS. — Explanation of the plates. — Pl. I. — Pl. II. — Pl. III. — Pl. IV. — Pl. V. — Pl. VI.
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