... The scheme, which was rendered abortive by the continental war of 1793, had two remarkable results... 
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
..." In several moths of this family the females have abortive wings, but no instance is known of the males being incapable of flight, for in this case the species could hardly have been perpetuated...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... Terminal leaf-bud alone active and open, with most of the flowers abortive and succulent, as in the cauliflower and broccoli...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
... Its caw is weak and feminine—a sort of split and abortive caw, that stamps it the sneak-thief it is...
John Burroughs 「Birds and Bees, Sharp Eyes and, Other Papers」
...Two or three abortive efforts were made to recover its feet, but these soon subsided into a tremulous quivering of its huge frame, that ended in the stillness of death...
Mayne Reid 「The Giraffe Hunters」
...For some time our adventurers amused themselves by watching the abortive efforts of the leopard to procure the means of breaking its fast...
Mayne Reid 「The Giraffe Hunters」
...Our ferocious enemy attempted first to remove the stone with his powerful claws, and then to push it with his head from its place; and these efforts proving abortive, served only to increase his wrath...
Samuel Griswold Goodrich 「Illustrative Anecdotes of the Animal Kingdom」
...In short, magic is a spurious system ofnatural law as well as a fallacious guide of conduct; it is a falsescience as well as an abortive art...
Sir James George Frazer 「The Golden Bough」
...If all their efforts toprocure rain prove abortive, they will remember that such and sucha twin was buried in a dry place on the side of a hill...
Sir James George Frazer 「The Golden Bough」
...When we attempt actually to weigh the comet, our effortshave proved abortive...
Robert Stawell Ball 「The Story of the Heavens」
...It not unfrequently happens that a parallax research proves abortive...
Robert Stawell Ball 「The Story of the Heavens」
...All thesemeans, however, had proved abortive, and he was now called upon tosupportthe doctrine which he had subscribed, and administer the law of which hewas the guardian...
David Brewster 「The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler」
...One other similar ring, an abortive attempt at a planet, is also leftround the sun (the zone of asteroids)...
Oliver Lodge 「Pioneers of Science」
...Secretary Langley's trial of his flying-machine, which seems tohave come to an abortive issue for the time, strikes a sympatheticchord in the constitution of our race...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
...The fit of an ague, the consequence of bile a little too much inflamed, had sufficed, perhaps, to have rendered abortive all the vast projects, of the legislator of the Mussulmen...
Paul Henri Thiery (Baron D'Holbach) 「The System of Nature, Volume 1」
...But the most evident truths frequently crouch under fear; are kept at bay by habit; prove abortive against the force of enthusiasm...
Paul Henri Thiery (Baron D'Holbach) Samuel Wilkinson 「The System of Nature, Volume 2」
...Monsieur Haas was recalled, and his abortive action repudiated...
George Ernest Morrison 「An Australian in China」
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