must be remembered that the word " proprietor," which is used in
sec, 72, is defined by sec. 4 in terms which require the existence of
ownership as well as its registration. Further, the subject of
proprietorship is not merely land, but also leases, mortgages and
charges. An encumbrance upon or other dealing with a lease,
mortgage, or charge, is not notified on any certificate of title (cf.
secs. 51, 52 and 62), and, accordingly, some difficulty exists in
applying the provisions of sec. 72 literally in respect of these interests
inland. But, apart from these difficulties, this section, like sec. 67,
must be read subject to the provisions of secs. 80, 81 and 245. Secs.
80 and 81 enable the calling in for correction or cancellation of
certificates issued in error, or bearing entries or endorsements made
in error, and certificates wrongfully or fraudulently obtained, or
bearing entries or endorsements so obtained. Sec. 245 refers to
the recovery of land or of any estate or interest therein by any
proceeding at law or in equity from the person registered as proprietor.
These expressions are of much importance. They imply that the
person registered as proprietor may be unable to resist an adverse
claim to that property in respect of which he is registered, and the
implication extends, not only to land, but to interests therein such
as mortgages, which are not the subject of certificates of title.
Further, the section expressly authorizes the cancellation of certifi-
cates and entries. In reference to the provisions of the present
sec. 67, Lord Herschell, during the argument of Gibbs v. Messer (1),
suggested that, while the state of the register might be conclusive
so long as it stood, that was not a reason why there should not be
power to rectify it and set it right. Sir Horace Davey : - "No. I
was going to suggest what is the same proposition, that it means
conclusive evidence except in an action or proceeding to rescind, or
vary, or rectify the register. I am not quite sure that that would
be sufficient. We need not discuss it, because everybody admits
that it must be read together with the other sections of the Act."
Lord Watson : - " It comes to the same thing. The register may
be rectified on any of the grounds set forth in the Act." At an
earlier stage, Lord Watson had said in reference to the same provision e
"The provisions of this Act seem to be perfectly consistent, if you