Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
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Página 3
... Observations on their Habits . By CHARLES DARWIN , LL . D. , F. R. S. With Illustrations . $ 1.50 . 38. THE CONCEPTS AND THEORIES OF MODERN PHYSICS . By J. B. STALLO . $ 1.75 . 39. THE BRAIN AND ITS FUNCTIONS . By J. LUYS . $ 1.50 . 40 ...
... Observations on their Habits . By CHARLES DARWIN , LL . D. , F. R. S. With Illustrations . $ 1.50 . 38. THE CONCEPTS AND THEORIES OF MODERN PHYSICS . By J. B. STALLO . $ 1.75 . 39. THE BRAIN AND ITS FUNCTIONS . By J. LUYS . $ 1.50 . 40 ...
Página 6
... observe that some insects which are not naturally aquatic , do , nevertheless , swim very well if they fall into the water . They instance a kind of grasshopper ( Acrydium ) , which can paddle itself across a stream with great rapidity ...
... observe that some insects which are not naturally aquatic , do , nevertheless , swim very well if they fall into the water . They instance a kind of grasshopper ( Acrydium ) , which can paddle itself across a stream with great rapidity ...
Página 13
... Observation and experiment incline me to believe just the opposite . A flying creature , when fairly launched in ... observations are calculated to show the grave necessity for studying the media to be traversed ; the fulcra which the ...
... Observation and experiment incline me to believe just the opposite . A flying creature , when fairly launched in ... observations are calculated to show the grave necessity for studying the media to be traversed ; the fulcra which the ...
Página 15
... observation and experiment . The propellers at present employed in navigation are , in my opinion , faulty both in principle and application . The observations and experiments recorded in the present volume date from 1864. In 1867 I ...
... observation and experiment . The propellers at present employed in navigation are , in my opinion , faulty both in principle and application . The observations and experiments recorded in the present volume date from 1864. In 1867 I ...
Página 39
... observed in walking , swimming , and flying . ( Compare figs . 6 , 7 , and 26 x , pp . 28 and 55 ; figs . 18 and 19 , pp . 37 and 39 ; figs . 32 and 50 , pp . 68 and 97 ; figs . 71 and 73 , p . 144 ; and fig . 81 , p . 157. ) Locomotion ...
... observed in walking , swimming , and flying . ( Compare figs . 6 , 7 , and 26 x , pp . 28 and 55 ; figs . 18 and 19 , pp . 37 and 39 ; figs . 32 and 50 , pp . 68 and 97 ; figs . 71 and 73 , p . 144 ; and fig . 81 , p . 157. ) Locomotion ...
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Términos y frases comunes
action aërial albatross angle animal arms and legs arrangement artificial wave artificial wing ascends backwards bat and bird biped blades body bones Borelli Compare with fig concave depressed described downward dugong effective stroke elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feet fins fish flexed flexible flexion flight flying foot force gannet glide hind horizontal direction humerus inclined planes increased insect wing joint kite less lever limbs locomotion long axis manner Marey motion move movements muscles muscular muscular system natural wing nervures oblique oscillate pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin produced quadruped rapidity remarkable resistance reverse right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking waved track weight wing descends