4to, pp. xv, [i], 353,  + frontispiece and 6 plates. Addenda slip tipped in to notes at rear. Title-page printed in red and black with photogravure vignette. Original quarter red pebbled roan, spine lettered in gilt, edges untrimmed. Just a touch of spotting, predominantly to half-title. A little rubbed. A few disputatious pencil notes to margins.