words Bild and bildhaft are used in two somewhat
differing senses, one more positive (usually translated
image or imaginal), the other more negative
am very grateful to Professor Elizabeth M. Wilkinson and to Mr.
D. G. Mowatt, who read the manuscript and made many
suggestions; to Dr. G. P. Butler for help with a number
of points and to my wife for her advice and patience
B. A. Rowley.