Transcriber Notes Text emphasis is displayed as _Italics_. RUDIMENTS OF CONCHOLOGY; WITH EXPLANATORY PLATES. [Illustration: Rudiments of Conchology.] RUDIMENTS OF CONCHOLOGY: INTENDED AS A FAMILIAR INTRODUCTION TO THE SCIENCE. WITH EXPLANATORY PLATES, AND REFERENCES TO THE COLLECTION OF SHELLS IN THE BRITISH MUSEUM. BY THE AUTHOR OF "THE GEOGRAPHICAL PRESENT," &c. [Illustration: A new and improved Edition.] LONDON: DARTON AND HARVEY, GRACECHURCH STREET. 1837. LONDON: PRINTED BY JOSEPH RICKERBY, SHERBOURN LANE. ADVERTISEMENT. The Compiler of the following pages has derived the greater part of the information contained in them from "The Conchology of Lamarck," from "Burrows's Elements of Conchology," and other introductory treatises. In the present Edition of this little Work many alterations and additions have been made, with the hope of rendering it more useful to the young student. ERRATA. [Note: Corrections were applied.] Page 3, _for_ Plate 1, _read_ Plate 2. Page 16, line 8, _for_ squamosa, _read_, squamosus. Page 20, _for_ candidas, _read_ candida; and _for_ Plate 3, _read_ Plate 2. Page 25, _for_ Plates 4 and 5, _read_ Plates 3 and 5; and _for_ gædaropus, _read_ gæderopus. Page 27, _for_ epiphippium _read_ ephippium. Page 35, line 12, _delete_ not. Page 36, line 14, _read_ Plate 2. Page 42, _read_ Bruguieres; and _for_ Pollicepes, _read_ Pollicipes. Page 64, line 3, _read_ Parmophorus--line 6, _read_ Plate 3. Page 68, line 5 from bottom, _read_ Carocolla. Page 76, line 6, _for_ Valvata _read_ Voluta. Page 90, line 4, _read_ anglicanum. RUDIMENTS OF CONCHOLOGY. CHAPTER I. INTRODUCTORY. "A box full of shells!" said Charles to his sister Lucy, who was looking over her treasures with great attention. "What can you want so many little shells for?" "This box and its contents are the gifts of my cousin Jane," replied Lucy: "she said that I might have her whole collection, if I could find any pleasure in looking at shells without knowing anything about them. But I am not _quite_ ignorant of the subject." "Shells are pretty enough," said Charles; "but how troublesome to distinguish the differences between each kind! I like plants better than shells."