New York: Samuel Colman, 1839. Second Edition. 12mo (18cm); 88pp; illus. Publisher's paper-covered boards with applied title label; sympathetically re-spined in green morocco, retaining original endpapers. Wood-engraved text illustrations throughout. Mild rubbing to board edges; title label unevenly trimmed, with loss of one character at right margin; a fresh, attractive copy, Very Good or better.
Of Williams, Alvin Hubbell states: "A man who will long be remembered, not for his eminence in the profession, but for a work [the present work] on the comparative anatomy of the eye, and especially of the ciliary muscle of that organ, including its physiology...had Wallace accomopanied his otherwise intelligent experiments with a study of the catoptric images from the surfaces of the lens and noted their curvature-changes, he would undoubtedly have anticipated von Helmholtz by many years and arrived at the correct mechanism of accommodation..." (Hubbell, The Development of Ophthalmology in America 1800 to 1870. Chi:1908).