The other 26 blocks have been prepared for this volume.
TABLE OF MEASURES The following figures may be found convenient by readers who wish to take special account of the dimensions cited in the following pages, and may also help them to correct any errors which I have unwittingly admitted.
1 Roman foot = 0.296 metres = 0.97 English feet.

For practical purposes 100 Roman feet = 97 English feet.
1 Iugerum = 120 x 240 Roman feet = 116.4 x 233.8 English feet.

For practical purposes a _Iugerum_ may be taken to be rather over 2/3 of an acre and rather over 1/4 of a hectare, and more exactly 2523.3 sq.

metres.
1 Metre = 1.09 English yards, a trifle less than 40 ins.

402.5 metres equal a quarter of a mile.
1 Hectare (10000 sq.