Now birds flying in the air, and meeting with many obstacles, as branches and leaves of trees, require to have their eyes sometimes as flat as possible for protection ; but sometimes as round as possible, that they may see the small objects, flies and... The American Farmer Vol. X - Page 214by John S. Skinner - 1828Full view - About this book
| William Carus Wilson - 1829 - 304 pages
...meeting with many obstacles, asbranches a«id leaves of trees, require to Have their eyes somerimes HS flat as possible, for protection ; but sometimes as...with the most unerring certainty. This could only he effected, by giving them a power of suddenly changing the form of their eyes. Hence there is a set... | |
| Henry Peter Brougham (1st baron Brougham and Vaux.) - 1827 - 68 pages
...passes through transparent bodies. Now birds flying in the air, and meeting with many obstacles, as branches and leaves of trees, require to have their...certainty. This could only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly, there is a set of hard scales placed... | |
| Henry Brougham Baron Brougham and Vaux - Mathematics - 1828 - 248 pages
...passes through transparent bodies. Now birds flying in the air, and meeting with many obstacles, as branches and leaves of trees, require to have their...certainty. This could only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly, there is a set of hard scales placed... | |
| 1829 - 522 pages
...passes through transparent bodies. Now birds flying in the air, and meeting with many obstacles, as branches and leaves of trees, require to have their...certainty. This could only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly there is a set of hard scales placed... | |
| Almanacs, English - 1829 - 466 pages
...sufficiently admired. • Eyes of Birds. — Birds flying in the air, and meeting with m»nj obstacles, as branches and leaves of trees, require to have their...sometimes as flat as possible for protection ; but sometime* as round as possible, that they may see the small objects (fliei and other insects) which... | |
| Science - 1831 - 336 pages
...passes through transparent bodies. Now birds flying in the air, and meeting with many obstacles, as branches and leaves of trees, require to have their...certainty. This could only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly, there is a set of hard scales placed... | |
| Science - 1831 - 336 pages
...passes through transparent bodies. Now birds flying in the air. and meeting with many obstacles, as branches and leaves of trees, require to have their...certainty. This could ,only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly, there is a set of hard scales placed... | |
| William Daniel Conybeare - Theology - 1831 - 188 pages
...passes through transparent bodies. Now birds flying in the air, and meeting with many obstacles, as branches and leaves of trees, require to have their...certainty. This could only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly, there is a set of hard scales placed... | |
| Methodist Church - 1832 - 510 pages
...passes through transparent bodies. Now birds flying in the air, and meeting with many obstacles, as branches and leaves of trees, require to have their...certainty. This could only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly there is a set of hard scales placed... | |
| John Timbs - 1832 - 442 pages
...Because, when flying in the air, and meeting with many obstacles, as branches and leaves of trees, birds require to have their eyes sometimes as flat as possible,...certainty. This could only be accomplished by giving them a power of suddenly changing the form of their eyes. Accordingly, there is a set of hard scales placed... | |
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