| Дата выпуска | 1874 |
| dc.description | IN NATURE, vol. ix. p. 301, there is a letter from Mr. Wallace on a very important point connected with the Theory of Flight. The question he discusses is â whether a bird's wing during onward flight moves downwards and backwards or downwards and forwards;â and Mr. Wallace supports Mr. Pettigrew in affirming that the movement is downwards and forwards. |
| Формат | application.pdf |
| Издатель | Nature Publishing Group |
| Копирайт | Nature Publishing Group |
| Название | Animal Locomotion |
| Тип | LETTERS TO NATURE |
| DOI | 10.1038/009381a0 |
| Print ISSN | 0028-0836 |
| Журнал | Nature |
| Том | 9 |
| Первая страница | 381 |
| Последняя страница | 381 |
| Выпуск | 229 |