London: W.H. Allen & Co, 1881. 8vo.,pp. viii,323, 44, brown cloth, gilt, b/w tables; ownership address label and ownership autograph to front paste down endpaper, some ink underlining and annotation to margins and text, cracking to inner hinge with adhesive tape repairs to endpapers, light toning to margins, boards and spine covered in a clear adhesive covering which is quite roughly attached and a little frayed at edges, boards underneath are spotted with water damage and rubbed, overall a good copy. No dust-jacket.