London: C. Griffin and Company, Limited, 1907. Thick octavo ( x cm.), xviii, 588 pages. Illustrated. Index. Publisher's advertisements. Stated Third Edition, "thoroughly revised by the author and Arthur R. Ling". The first edition was issued in 1897, and the second in 1902 (with 511 pages). In a review of this new edition published August 1907, the journal Nature stated, the work in its present form stands easily first among.....