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. 

 2ud 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- 

 sponges " (with 60 plates). 



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

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

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

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



VOL. II. 2 H 



