TREATISE  , a written

composition, dealing fully and syste- trains of camels may be seen, and Persian merchants conspicuous matically with the principles of some subject of serious impor- by their high black caps and long robes . The route which these tance . The M . Eng. tretis, O . Fr. tretis, or treitis, is a doublet caravans follow is a chaussee as far as Erzerum, but this in places of " treaty," which also meant a discourse or account . Both is too much broken to admit of the transit of wheeled vehicles. words are to be referred to Lat. tractare, to treat, handle, The railway by Batoum to Baku by way of Tiflis has tended frequentative of trahere, tractus, to draw . " Treatise " thus greatly to turn the channel-of commerce from Trebizond into would mean, by etymology, something well handled, nicely made .