The Aegis (weekly newspaper) explained

The Ǣgis; or, Independent weekly expositor was a short-lived London-based weekly newspaper, published from July 3 to at least 18 September 1818. Francis Perceval Eliot (1755–1818) was writing for it at the time of his death.^[1]

Copies of the newspaper are held at the British Library.

References

1. Francis Watt, ‘Eliot, Francis Perceval (1755–1818)’, rev. Anne Pimlott Baker, Oxford Dictionary of National Biography, Oxford University Press, 2004; online edn, Jan 2008, accessed 4 Jan 2008