Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 50
Página xvi
... similar in all respects to those com- posing the bodies of the other members of the animal kingdom , we are challenged to imitate the movements of the insect , bat , and bird in the air , as we have already imitated the move- ments of ...
... similar in all respects to those com- posing the bodies of the other members of the animal kingdom , we are challenged to imitate the movements of the insect , bat , and bird in the air , as we have already imitated the move- ments of ...
Página 5
... similar impulses to those communicated to it by the fish in swimming ; and the wing in its vibrations impinges upon the air as an ordinary sound does . The extremities of quadrupeds , moreover , describe waved tracks on the land when ...
... similar impulses to those communicated to it by the fish in swimming ; and the wing in its vibrations impinges upon the air as an ordinary sound does . The extremities of quadrupeds , moreover , describe waved tracks on the land when ...
Página 9
... similar to what occur in leaping . The continuity of movement neces- sary to progression in some bipeds ( man for instance ) is fur- 1 This is also true of quadrupeds . It is the posterior part of the feet which is set down first . thr ...
... similar to what occur in leaping . The continuity of movement neces- sary to progression in some bipeds ( man for instance ) is fur- 1 This is also true of quadrupeds . It is the posterior part of the feet which is set down first . thr ...
Página 11
... Similar remarks might be made with regard to the swimming of the whale , dugong , manatee , and porpoise , sea mammals , which still more closely resemble the fish in shape . The double curve into which the fish throws its body in ...
... Similar remarks might be made with regard to the swimming of the whale , dugong , manatee , and porpoise , sea mammals , which still more closely resemble the fish in shape . The double curve into which the fish throws its body in ...
Página 12
... similar plan , and acts on the same principle . The tail of the fish , the wing of the bird , and the extremity of the biped and quadruped , are screws structurally and functionally . In proof of this , compare the bones of the wing of ...
... similar plan , and acts on the same principle . The tail of the fish , the wing of the bird , and the extremity of the biped and quadruped , are screws structurally and functionally . In proof of this , compare the bones of the wing of ...
Contenido
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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