APPENDIX 



References .to general and sijocial treatFiu-nts of tlio s\il)j<Tt« in- 

 cluded ill this book, aiTanji;ed accordinjr to ehaj)ter8. Tljos<' rffrn-mi'M 

 are confined to books and papers pul)Iishe(l in Knglisli (inciiuliiiK traitM- 

 lations of foreign works) and are intended for the assistance of p'ru-ral 

 readers and elementary students wishing to follow up, in more dotnil 

 than is offered in this book, the study of any particular phas<^ of the 

 general subject of Evolution. These references are therefore mostly 

 not to original papers, but to manuals, sun»mari<'S, and digests of 

 evolution subjects. The list makes no attempt, of course, to include 

 all of even the most general works of reference. 



ChAI'TEK I. KVOH TION J)KFINEn. 



Spencer: Principles of Biology, vol. I, ])art iii, IS?'). (Virm: Kvfihition 

 of To-day, pp. 1-21, ISSO. Le ('onto: l:]volution, Its Xatun*, lu* 

 Evidences, and Its Relation to K<'ligious Thought, pp. li-'M. 1^S.S. 

 Haeckel: History of Creation, vol. I, eh. i. 1^(L'. Miirshail: Dar- 

 winian Theory, pp. 1-24, 1894. Williams: (Icologii-al Hiolog^*, 

 pp. 371-3S4, 1S95. Romanes: Darwin and .\ft(T Danvin, v<»l. 



I, pp. 12-22, 1896. Marshall: Biological Ix^ctunvs, pp. l-2f>, 

 1897. Howison: Limits of Evolution, pp. 12-1^, 19()1. Huxley: 

 Darwiniana, 1894. 



Chapter II. Variety and Unity ok Life. 

 Jordan: Footnotes to Evolution, ch. i and ii, l'.K)2. 



Chapter III. Life, Its Physical Basis and Simplest Expression*. 



Verworn: General Physiology, 1899. Wilson: Chaptt-rs on Evolution, 

 pp. 61-79, 1883. Haeckel : History of Creation, vol. I, ch. xv ; vt.l. 



II, ch. xvii and xviii, 1892. Huxley: On the Physical B:u<is of 

 Life (ch. iii, in Essays on Method and Results). Marshall: Bio- 

 logical Lectures, pp. 114-191, 1S97. Conn: The MciIkkI of Evo- 

 lution, ch. ix, 1900. Jordan and Kellogg: Animal Life. ch. i, ii, an«i 

 iv, 1900. McFarland: The Physical Basis of Hcrdity. ch. vi in 

 Jordan's Footnotes to Evolution, 1902. Wilson: The Cell in 

 Development and Inheritance, 2d ed., 190-1. Wci<;mann: The 

 Evolution Theory, vol. II, Lect. 36, 1904. 



471 



