| # | Title | Artist | Length |
|---|
| 1 | Instinct - Hive-bee, its cell-making instinct 1 | Charles Darwin | 5:18 |
| 2 | Instinct - Hive-bee, its cell-making instinct 2 | Charles Darwin | 5:23 |
| 3 | Instinct - Hive-bee, its cell-making instinct 3 | Charles Darwin | 4:18 |
| 4 | Geographical Distribution 1 | Charles Darwin | 6:22 |
| 5 | Geographical Distribution 2 | Charles Darwin | 4:25 |
| 6 | Geographical Distribution 3 | Charles Darwin | 4:47 |
| 7 | Geographical Distribution - Means of dispersal 1 | Charles Darwin | 5:01 |
| 8 | Geographical Distribution - Means of dispersal 2 | Charles Darwin | 4:19 |
| 9 | Geographical Distribution - Means of dispersal 3 | Charles Darwin | 3:35 |
| 10 | Geographical Distribution - Distribution of fresh-water productions 1 | Charles Darwin | 5:02 |
| 11 | Geographical Distribution - Distribution of fresh-water productions 2 | Charles Darwin | 3:54 |
| 12 | Geographical Distribution - On the inhabitants of oceanic islands 1 | Charles Darwin | 4:55 |
| 13 | Geographical Distribution - On the inhabitants of oceanic islands 2 | Charles Darwin | 5:18 |
| 14 | Geographical Distribution - On the inhabitants of oceanic islands 3 | Charles Darwin | 2:55 |
| 15 | Geographical Distribution - On the inhabitants of oceanic islands 4 | Charles Darwin | 5:23 |
| 16 | Geographical Distribution - On the inhabitants of oceanic islands 5 | Charles Darwin | 4:55 |
