~~~~~~~~~~ | Page. | | Thoughts on a Pebble: Part I. | 5 | | More Thoughts on a Pebble: Part II. | 33 | | "The Nautilus and the Ammonite" | 57 | | Supplementary Notes | 61 | | Note | I. | Shells in Chalk | 61 | | —— | II. | Wood in Flint | 66 | | —— | III. | Whitby Ammonites | 69 | | —— | IV. | Fossil Nautili | 72 | | —— | V. | Brighton Cliffs | 75 | | —— | VI. | RotaliÆ in Chalk and Flint | 79 | | —— | VII. | Isle of Wight Pebbles | 82 | | —— | VIII. | Zoophytes of the Chalk | 87 | | —— | IX. | Minute Corals from the Chalk | 92 | | —— | X. | Infusorial Earths | 97 |
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