To begin with, the nature of the tenancy in general has been much contested. As to the law of later times Mr. Elton puts the case in this way: 'There is great confusion in the law books respecting this tenure. The copyholders of these manors are sometimes called tenants in ancient demesne, and land held in this tenure is said to pass by surrender and admittance. This appears to be inaccurate. It is only the freeholders who are tenants in ancient demesne, and their land passes by common law conveyances without the instrumentality of the lord. Even Sir W. Blackstone seems to have been misled upon this point. There are however, as a rule, in manors of ancient demesne, customary freeholders and sometimes copyholders at the will of the lord, as well as the true tenants in ancient demesne[215].' Now such a description seems strangely out of keeping with the history of the tenure. Blackstone speaks of privileged copyhold as descended from privileged villainage[216]; and as to the condition in the thirteenth century of those 'men' or 'tenants in ancient demesne' of whom we have been speaking, there can be no doubt. Bracton and his followers lay down quite distinctly that their tenure is villainage though privileged villainage. The men of ancient demesne are men of free blood holding in villainage[217]. And to take up the special point mentioned by Mr. Elton--conveyance by surrender and admittance is a quite necessary feature of the tenure[218]: conveyance by charter makes the land freehold and destroys its ancient demesne condition[219]. But although this is so clear in the authorities of the thirteenth century, there is undoubtedly a great deal of confusion in later law books, and reasons are not wanting which may account for this fact and for the doctrine propounded by Mr. Elton in conformity with certain modern treatises and decisions. [Classes of tenantry.]