DATES OF PUBLICATIONS OF PARTS 



Part I, p]). 1-136. PI. I-XX June 10, 1009 



Part II, pp. 137-186. PI. XXI-X.W Sept. 15, 1911 



Part III, pp. 187-332. PI. XXVI-XL Mar. 13. l^U 



Part IV, pp. 333-491. PI. XLI-XIJX 



Title page, table of contents and index. . Sej)t. 20. 1916 



