...After having systematically hunted his enemy in vain for a year, Don Miguel chanced upon him in this unexpected and entirely fortuitous fashion... 
Rafael Sabatini 「Captain Blood」
...Was I wrong? If aconstruction of this sort is a fortuitous result, we must admit thatblind chance is gifted with extraordinary powers of foresight...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...Her offspring occupies a fortuitous abode, on which the mother expends no architectural pains...
J. Henri Fabre 「More Hunting Wasps」
... one might almost say four impossibilities? And such a conjunction is supposed to be a fortuitous result...
J. Henri Fabre 「More Hunting Wasps」
...One day, through some fortuitous circumstance, or rather by mistake, she takes it into her head to strike two blows...
J. Henri Fabre 「Bramble-bees and Others」
...Exposed to fortuitous hazards, hemust be able to modify his tactics within the limits of his modestperceptions...
J. H. Fabre 「The Wonders of Instinct」
...Noaircraft could enter, save perhaps some skilfully handled motorlessglider, if aided by sufficiently fortuitous air currents...
Various 「Astounding Stories, June, 1931」
...In general the distribution appears to be fortuitous...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...Thus it is, in the fortuitous occupation of Australia,that order and arrangement may precede, and be followed only by "CHAOScome again...
Thomas Mitchell 「Journal of an Expedition into the Interior of Tropical Australia」
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