Animal Locomotion: Or, Walking, Swimming and Flying, with a Dissertation on AëronauticsD. Appleton, 1893 - 264 páginas |
Dentro del libro
Resultados 1-5 de 45
Página v
... tail of the fish made to vibrate pendulum fashion , The tail of the fish , the wing of the bird , and the extremity of the biped and quadruped are screws structurally and functionally . They describe figure - of - 8 and waved tracks ...
... tail of the fish made to vibrate pendulum fashion , The tail of the fish , the wing of the bird , and the extremity of the biped and quadruped are screws structurally and functionally . They describe figure - of - 8 and waved tracks ...
Página 6
... tail of the Whale , Porpoise , Dugong , and Manatee , —the feet of the Ostrich , Apteryx , and Dodo , exclusively designed for running , —the feet of the Ducks , Gulls , and Petrels , specially adapted for swimming , - and the wings and ...
... tail of the Whale , Porpoise , Dugong , and Manatee , —the feet of the Ostrich , Apteryx , and Dodo , exclusively designed for running , —the feet of the Ducks , Gulls , and Petrels , specially adapted for swimming , - and the wings and ...
Página 8
... tail and fins of fishes , sea mammals , etc .; and the air the fulcrum for the levers formed by the wings of insects , bats , and birds . The fulcrum supplied by the land is immovable ; that supplied by the water and air movable . The ...
... tail and fins of fishes , sea mammals , etc .; and the air the fulcrum for the levers formed by the wings of insects , bats , and birds . The fulcrum supplied by the land is immovable ; that supplied by the water and air movable . The ...
Página 11
... tail of the fish and the extremity of the biped . This is proved by the conformation and swimming of the seal , —an animal ir . which the posterior extremities are modified to resemble the tail of the fish . In the swimming of the seal ...
... tail of the fish and the extremity of the biped . This is proved by the conformation and swimming of the seal , —an animal ir . which the posterior extremities are modified to resemble the tail of the fish . In the swimming of the seal ...
Página 12
... tail of the fish . It is con- structed on a 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 ...
... tail of the fish . It is con- structed on a 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 ...
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