There are several editions of this ebook in the Project Gutenberg collection. Various characteristics of each ebook are listed to aid in selecting the preferred file.
Click on any of the filenumbers below to quickly view each ebook.
| [ 1228] | 1859, First Edition |
| [ 22764] | 1860, Second Edition |
| [ 2009] | 1872, Sixth Edition, considered the definitive edition. |
| Transcriber's note: | A few typographical errors have been corrected. They appear in the text like this, and the explanation will appear when the mouse pointer is moved over the marked passage. |