 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 - Strana 214autor/autoři: John S. Skinner - 1828Úplné zobrazení - Podrobnosti o knize
 | William Carus Wilson - 1829 - 304 str.
...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 str.
...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 - 1828 - 248 str.
...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 str.
...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 - 466 str.
...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... | |
 | 1831 - 336 str.
...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... | |
 | 1831 - 336 str.
...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 - 1831 - 188 str.
...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... | |
 | 1832 - 510 str.
...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 str.
...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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