This book uses inconsistent spelling and hyphenation, which were retained in the ebook version. Some corrections have been made to the text, including correcting the [errata] and normalizing punctuation. Further corrections are noted below:
p. [29] heat indedendent matter -> heat independent matter
p. [166] next the visual center-> next to the visual center
p. [179] in dependently -> independently
p. [251] isr eproduced -> is reproduced
p. [343] ig 56 -> Fig 56
p. [351] the fonds are articuled -> the fonds are articulated