Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
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Página 5
... greater mistake . Walking , swimming , and flying are in reality only modifications of each other . Walk- ing merges into swimming , and swimming into flying , by insensible gradations . The modifications which result in walking ...
... greater mistake . Walking , swimming , and flying are in reality only modifications of each other . Walk- ing merges into swimming , and swimming into flying , by insensible gradations . The modifications which result in walking ...
Página 8
... greater than that experienced by land animals , and by insects , bats , and birds . As a consequence fishes are for the most part elliptical in shape ; this being the form calcu- lated to cleave the water with the greatest ease . A ...
... greater than that experienced by land animals , and by insects , bats , and birds . As a consequence fishes are for the most part elliptical in shape ; this being the form calcu- lated to cleave the water with the greatest ease . A ...
Página 18
... greater or less in proportion to the density and tenacity of the fluid , and the figure , superficies , and velocity of the animal . An inquiry into the amount and nature of the resistance of air and water to the progression of animals ...
... greater or less in proportion to the density and tenacity of the fluid , and the figure , superficies , and velocity of the animal . An inquiry into the amount and nature of the resistance of air and water to the progression of animals ...
Página 31
... greater or less extent in the bodies and extremities ( when present ) of all vertebrated animals , it is necessary to reduce the bony and muscular systems to their simplest expression . If motion is desired in a dorsal , ventral , or ...
... greater or less extent in the bodies and extremities ( when present ) of all vertebrated animals , it is necessary to reduce the bony and muscular systems to their simplest expression . If motion is desired in a dorsal , ventral , or ...
Página 44
... greater relative distances in the trot than in the rapid walk , and in the gallop than in the trot . I have chosen to speak of the near hind and near fore feet , but similar remarks may of course be made of the off hind and off fore ...
... greater relative distances in the trot than in the rapid walk , and in the gallop than in the trot . I have chosen to speak of the near hind and near fore feet , but similar remarks may of course be made of the off hind and off fore ...
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Otras ediciones - Ver todas
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Sin vista previa disponible - 2016 |
Términos y frases comunes
action aërial albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards ball-and-socket joint bat and bird biped blades body bones Borelli Compare with fig concave convex Crown 8vo depressed described downward dugong 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 ostrich pectoral fins pinion porpoise portion position posterior margin posterior or thin produced quadruped rapid remarkable resistance right arm root rotation sail screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting universal joint upward direction upwards and forwards velocity vertical vibrate walking waved track weight wing descends
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