Contents.
| Page | |
| The Rivers and Valleys of Pennsylvania: William Morris Davis | 183 |
| (Illustrated by one map and twenty-five cuts.) | |
| Topographic Models: Cosmos Mindeleff | 254 |
| (Illustrated by two plates.) | |
| National Geographic Society—Abstract of Minutes | 269 |
| International Literary Contest to be held at Madrid, Spain | 273 |
| July, 1889 | |
Press of Tuttle, Morehouse & Taylor, New Haven, Conn.
