Page 176, note (a) after Greenstreet and, insert Greenstreet.

Page 177, note (a) for majorum read magorum.

Page 235, note (b) for primes read primis.

Page 437, line 21, for violation read volition.

Page 188, line 2, for Nicholls read Mitchell.

Page 362, line 16, for 301 read 303.

Page 347, line 19, for portable read potable.

Index, for p. 156-184, read 320-348.