Hermes&Mercury
Messengers, Trade, Thieves, & the Crossroads
Hermes
Argeiphontes, the Guide of Souls
Caduceus, winged sandals, traveler's cap, tortoise lyre
An Arcadian boundary-god of herds and roads who became the gods' herald.
Quick, charming and amoral — a trickster who escorts the dead without sentiment.
Herms at crossroads, honey, incense and libations rather than blood.
The permeable boundary: between places, between people, between life and death.
Mercury
Mercurius, the Merchant
Caduceus, winged cap, purse, cockerel
An Italic god of commerce and gain, fused with Hermes during the Republic.
A pragmatic patron of traders and negotiators rather than a mythic trickster.
The Mercuralia: merchants sprinkled their wares and their heads with water.
Profit sanctified — the god of the deal, the road and the market.
Syncretism Analysis
Hermes guides souls across the final boundary; Mercury balances a ledger. Rome kept the wings and traded the psychopomp for a patron of commerce — arguably the most Roman edit in the entire pantheon.