fl LIST OF ILLUSTRATIONS 



A SiPHONOPHORB. .... Facifig p. 248 



Haecked in 1874 . . . . „ 272 



Habckel in 1896 . . . . „ 292 



From a photograph by Gabriel Max. 



Haeckel and a Group of Italian Professors 



AT Genoa, 1904 . . . ■ „ 300 



