NOTES. 465 



34 (i. 101). Friedrich Rolle, "Man, his Descent and Morality 

 represented in the light of the Darwinian Theory, and on the 

 basis of Recent Geological Discoveries " (" Der Mensch, seine 

 Abstammung und Gesittung im Lichte der Darwin'schen Lehre," 

 etc.). Frankfort, 1866. 



35 (i. 102). Ernst Haeckel, " Generelle Morphologie der 

 Organismen." General outlines of the science of organic forms, 

 mechanically shown in accordance with the theory of descent as 

 reformed by Charles Darwin. Vol. i , " General Anatomy ; " 

 vol. ii., " General History of Evolution." Berlin, 1866. 



36 (i. 103). Charles Darwin, "The Descent of Man, and 

 Selection in Relation to Sex." 2 vols. London, 1871. 



37 (i. 108). Karl Gegenbaur, "Outlines of Comparative 

 Anatomy " (" Grundziige der vergleichenden Anatomie." Leipzig. 

 2nd ed., 1870). "Elements of Comparative Anatomy " (" Grundriss 

 der vergleichenden Anatomie." 3rd (improved) edition, 1874). 



38 (i. 114). Migration-theory. Moritz Wagner, " The Dar- 

 winian Theory and the Law of Migration of Organisms " (" Die 

 Darwin'sche Theorie und das Migrations-gesetz der Organ- 

 ismen." Leipzig, 1868). August Weismann, " On the Influence 

 of Isolation in the Formation of Species " (" Ueber den Einfluss 

 der Isolirung auf die Artenbidung." Leipzig, 1871). 



39 (i. 116). Carus Sterne, "Evolution and Dissolution" (" Wer- 

 den und Vergehen"). A popular history of the evolution of 

 nature as a whole. Berlin, 1876. Agassiz a "founder" of 

 natural science. " Gegenwart." Berlin, 1876. 



40 (i. 117). Ernst Haeckel, "The Chalk-sponges" ("Die 

 Kalkschwamme ; Calcispongien oder Grantien." Berlin, 1872). 

 A monograph and an attempted solution of the problem of the 

 origin of species. Vol. i., " Biology of Chalk-sponges ; " vol. ii., 

 "Classification of Chalk-sponges;" vol. iii., "Atlas of Chalk- 

 eponges " (with 60 plates). 



41 (i. 124). On the Individuality of Cells and recent reforms 

 in the cell-theory, cf. my " Individualitiitslehre," or " Tectologie " 

 ("Generelle Morphologie," vol. i. pp. 239-274). Rudolf 

 Virchow, " Cellular Pathologie." 4th edition. Berlin, 1871. 



