Page:Darwin - The various contrivances by which orchids are fertilized by insects (1877).djvu/15



The Various Contrivances by which Orchids are Fertilised by Insects/Preface to the Second Edition

List of Papers and Books bearing on the Fertilisation of the Orchideæ &c.

The Various Contrivances by which Orchids are Fertilised by Insects/Introduction

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OPHREÆ.

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OPHREÆ—continued.