THE SURVEYORS' INSTITUTION

(Incorporated by Royal Charter),

12, GREAT GEORGE STREET, WESTMINSTER, S.W.

TRANSACTIONS.

VOL. XVIII.

SESSION 1885-86.

LONDON:

PUBLISHED AT THE INSTITUTION,

12, GREAT GEORGE STREET, WESTMINSTER, S.W.

[ENTERED AT STATIONERS' HALL.]

All rights of translation and reproduction reserved.

NOTICE.

This Institution does not, as a body, hold itself
responsible for statements made or opinions expressed,
either in the Papers read or in the discussions which
have occurred, at the Meetings.

PRINTED BY PHIPPS AND CONNOR, 13 And 14, tothILL STREET, WESTMINSTER,

ERRATUM.

Vol. XVIII., p. 354, seven lines from bottom, for

"less" read "his."

(INCORPORATED BY ROYAL CHARTER), 12, GREAT GEORGE STREET,