What considerations rendered departure not irrational?

The parties concerned, uniting, had increased and multiplied, which
being done, offspring produced and educed to maturity, the parties, if
not disunited were obliged to reunite for increase and multiplication,
which was absurd, to form by reunion the original couple of uniting
parties, which was impossible.

What considerations rendered departure desirable?

The attractive character of certain localities in Ireland and abroad,
as represented in general geographical maps of polychrome design or
in special ordnance survey charts by employment of scale numerals and
hachures.

In Ireland?

The cliffs of Moher, the windy wilds of Connemara, lough Neagh with
submerged petrified city, the Giant's Causeway, Fort Camden and Fort
Carlisle, the Golden Vale of Tipperary, the islands of Aran, the
pastures of royal Meath, Brigid's elm in Kildare, the Queen's Island
shipyard in Belfast, the Salmon Leap, the lakes of Killarney.

Abroad?

Ceylon (with spicegardens supplying tea to Thomas Kernan, agent for
Pulbrook, Robertson and Co, 2 Mincing Lane, London, E. C., 5 Dame
street, Dublin), Jerusalem, the holy city (with mosque of Omar and gate
of Damascus, goal of aspiration), the straits of Gibraltar (the unique
birthplace of Marion Tweedy), the Parthenon (containing statues of nude
Grecian divinities), the Wall street money market (which controlled
international finance), the Plaza de Toros at La Linea, Spain (where
O'Hara of the Camerons had slain the bull), Niagara (over which no human
being had passed with impunity), the land of the Eskimos (eaters
of soap), the forbidden country of Thibet (from which no traveller
returns), the bay of Naples (to see which was to die), the Dead Sea.

Under what guidance, following what signs?

At sea, septentrional, by night the polestar, located at the point of
intersection of the right line from beta to alpha in Ursa Maior produced
and divided externally at omega and the hypotenuse of the rightangled
triangle formed by the line alpha omega so produced and the line alpha
delta of Ursa Maior. On land, meridional, a bispherical moon, revealed
in imperfect varying phases of lunation through the posterior interstice
of the imperfectly occluded skirt of a carnose negligent perambulating
female, a pillar of the cloud by day.

What public advertisement would divulge the occultation of the departed?

5 pounds reward, lost, stolen o