[19] Caloric: here, heat of the body.
[20] First-class carriages: in England the railway cars (called "carriages") are divided into first, second, and third class.
[21] Hoar-frost: frozen dew.
[22] Pikeman: the man who takes toll on a turnpike.
[23] St. Albans: about twenty miles north of London.
[24] Stage: division of a journey.
[25] Purl: a hot drink made of beer and other ingredients.
[26] Tackle: stuff.
[27] Meet: a gathering of huntsmen for a hunt.
[28] Hack: here, nag or horse kept for rough riding.