London: Royal Society of London, 1866. Hardcover. First Edition. v, , 25, -886 pp. 4to. Library binding, tan leather spine with gold embossed titling. Interiors clean, ex-library stamp on title page, and occurring sporadically within. Numerous folding plates that illustrate articles. Pages were trimmed slightly when rebound. Very Good.
Also contains Arthur Cayley's "A Supplementary Memoir on the Theory of Matrices" (pp. 25-35).