Itsself

It will appear therefore, an ungrounded Hypotheſis to maintain, as ſome have done, that every Fruit or Seed ſhould contain in itsſelf all thoſe Trees and Fruits in Miniature, that were poſſible to be produced hereafter from them. / It is abundantly ſufficient, I think, that all ſuch Fruit, or Seed, as come to Maturity, are productive of their own Species, and that when ſuch Species ſhall be produced, it is from the Seed in itsſelf that conſtitutes it ſuch a Species, ſince without its Seed in itsſelf it is not the Species it was firſt created, and therefore the Seed remaining in the Species is that, which thro’ all Generations maintains their different Kinds, and will one with another be for ever continued.

Source: wiktionary

The affection for ſongs in the vulgar tongue began firſt to ſhew itsſelf in the provinces. […] All the old Lais were not, however, of this caſt, nor, indeed, is the etymology itsſelf to be haſtily admitted, the term being frequently applied to ſongs on the moſt light and joyous ſubjects. […] The ſong will ſpeak for itsſelf: […] The French tongue alone was uſed at court, and in the houſeholds of the Norman barons (who deſpiſed the Saxon manners and language), for many centuries after the Conqueſt, and continued till, at leaſt, the reign of Henry VIII. the polite language of both court and country, and as well known as the Engliſh itsſelf: […]

Source: wiktionary

Q. 290. But does this calculation confine itsself to the length of the day, that is to say: from day-break untill growing of night? / A. No, the time stipulated in the different regions — and as we find it in various works,.— confines itsself solely to the rising- and setting of the Sun; while the day, — if we suppose this to be from the dawn-of-day until the dusk-of-night, — is longer.

Source: wiktionary