Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH. S. King & Company, 1873 - 264 páginas |
No interior do livro
Resultados 6-10 de 31
Página 113
... thin yielding posterior margins , are allowed to drop from a height , they describe double curves in falling , the roots of the wings reaching the ground first . This circumstance proves the greater buoying power of the tips of the ...
... thin yielding posterior margins , are allowed to drop from a height , they describe double curves in falling , the roots of the wings reaching the ground first . This circumstance proves the greater buoying power of the tips of the ...
Página 123
... posterior or thin flexible margin of the wing which is more especially engaged in producing the sound ; and if this be removed , or if this portion of the wing , as is the case in the bat and owl , be constructed of very soft materials ...
... posterior or thin flexible margin of the wing which is more especially engaged in producing the sound ; and if this be removed , or if this portion of the wing , as is the case in the bat and owl , be constructed of very soft materials ...
Página 126
... posterior or thin ones downwards and backwards . The wings in the partridge are wielded with immense velocity and power . This is necessary because of their small size as compared with the great dimensions and weight of the body . If a ...
... posterior or thin ones downwards and backwards . The wings in the partridge are wielded with immense velocity and power . This is necessary because of their small size as compared with the great dimensions and weight of the body . If a ...
Página 127
... posterior or thin half of each wing in its long axis . Flight perfect . Exp . 2. Detached posterior two - thirds of either wing in its long axis . Flight still perfect . I confess I was not prepared for this result . Exp . 3. Detached ...
... posterior or thin half of each wing in its long axis . Flight perfect . Exp . 2. Detached posterior two - thirds of either wing in its long axis . Flight still perfect . I confess I was not prepared for this result . Exp . 3. Detached ...
Página 128
... posterior two - thirds of right wing in its long axis , the left wing being untouched . Flight perfect . I expected ... thin margin , the insect can still fly , but with effort . Experiment 13 shows that the posterior or thin flexible ...
... posterior two - thirds of right wing in its long axis , the left wing being untouched . Flight perfect . I expected ... thin margin , the insect can still fly , but with effort . Experiment 13 shows that the posterior or thin flexible ...
Outras edições - Ver tudo
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1873 |
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Visualização integral - 1883 |
Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on ... James Bell Pettigrew Pré-visualização indisponível - 2016 |
Palavras e frases frequentes
action aërial animals arms and legs arrangement artificial wave artificial wing ascends axes backwards bat and bird beetle biting surface blades body bones Borelli Compare with fig concave convex coracoid Crown 8vo depressed described downward dugong elastic ligaments elbow-joint elevating and propelling ellipse elytra extension extremities feet fins fish flexed flexible flexion flight flying foot gannet horizontal direction humerus inclined planes increased insect insect wing joint kite less lever limbs long axis manner Marey membranous motion move movements muscles muscular natural wing nervures oblique oscillate pectoral fins pinion porpoise portions position posterior margin posterior or thin primary produced quadruped rapid reciprocating Red-legged Partridge remarkable resistance root rotating scapula screw secondary feathers shoulder-joint side spiral swimming tail thick margin tion trunk twisting universal joint upward direction upwards and forwards velocity vertical vertical direction vibrate walking wave wing waved track weight wing descends
Passagens conhecidas
Página 256 - Tales of the Zenana ; or, A Nuwab's Leisure Hours. By the Author of " Pandurang Hari." With a Preface by Lord Stanley of Alderley. 2 vols. Crown 8vo.
Página 243 - WARTENSLEBEN (Count H. von). The Operations of the South Army in January and February, 1871. Compiled from the Official War Documents of the Head-quarters of the Southern Army. Translated by Colonel CH von Wright. With Maps. Demy 8vo.
Página 241 - HOFFBAUER (Capt.). The German Artillery in the Battles near Metz. Based on the official reports of the German Artillery. Translated by Capt. E. O. Hollist. With Map and Plans. Demy 8vo. Cloth, price 2 i*.
Página 246 - FRASER (Donald). Exchange Tables of Sterling and Indian Rupee Currency, upon a new and extended system, embracing Values from One Farthing to One Hundred Thousand Pounds, and at Rates progressing, in Sixteenths of a Penny, from is.
Página 251 - The author of these verses has written a very touching story of the human heart in the story he tells with such pathos and power, of an affection cherished so long and so secretly. . . . It is not the least merit of these pages that they are everywhere illumined with moral and religious sentiment, suggested, not paraded, of the brightest, purest character.
Página 231 - Field and Forest Rambles of a Naturalist in New Brunswick. With Notes and Observations on the Natural History of Eastern Canada.
Página 260 - Memoriam." (Dedicated by Permission to the Poet-Laureate.) Fcap. 8vo, 2s. The Education of the Human Race. Translated from the German of Gotthold Ephraim Lessing. Fcap. 8vo, 2s.
Página 239 - YOUMANS (Eliza A.). An Essay on the Culture of the Observing Powers of Children, especially in connection with the Study of Botany. Edited, with Notes and a Supplement, by Joseph Payne, FCP, Author of " Lectures on the Science and Art of Education,
Página 235 - Second edition. Large crown 8vo. Cloth, price 7*. 6d, SMITH (Edward), MD, LL.B., FRS Health and Disease, as Influenced by the Daily, Seasonal, and other Cyclical Changes in the Human System. A New Edition.
Página 243 - We must, without delay, impress brain and forethought into the British Service ; and we cannot commence the good work too soon, or better, than by placmg the two books (' The Operations of the German Armies ' and ' Tactical Deductions') we have here criticised, in every military library, and introducing them as class-books in every tactical school.