BibVw()r<tpJiif JK).") 



191:2. All^riiu'iiu' Hiolotxic, Ite Aiifl. .Ii-na. 

 Hertwig, K. 



1895. I.elirbuc'h der Zooloirie, 3te Aiifi. .Icii.i. 



1902. Die Proto/.oen imd die /tllthcoric. Aicli. f. Proflc, I'.d. I. 



pp. 1-40. 



1912. Ueber deii dcrzeitifrcn Stand dcs Scxu.ilitiitsproMcms nclist 

 eigencMi Unterstuchungt-ii. \V\n\. ("ciitralhl., Bd. \\\ \\\^. «;.»-! II. 



His, W. 



IHTi. Unsere Korperfonn iind das pliysi()l()j.M>>cli(' Proidcm ihrcr 



Kntstehung. Leipzig. 

 Hjokt, J. 



1895. Beitrag zur Kcrnhlattt'rlchrc iind Kntwi-klunL'smcrlianik dcr 



Ascidienkii().s])ung. Anat. Anz., lid. 10, ])j). 215-J19. 

 HomiKs, T. 



1887. Leviathan (Morley edition)- London. 

 Holmes, S. J. 



1904. The problem of form regulation. Arcli. f. r.ntw'mch.. v. 17, 



])p. 265-304. 



190(). The Biology of the Frog. New York. 



1911. The Evolution of Animal Intelligence. Xcw York. 



1914.' The life of isolated muscle cells." Science, v. 40, pp. 271-272. 

 Hooker, D. 



1915. The roles of nucleus and cvtoplasm in melanin elaboration. 

 Anat. Rec, v. 9, pp. 393-402. 



Hopkins, F. G. 



1913. The dvnamic side of biochemistry. Nature, v. 92, pp. 213- 

 226. 



Hopf, L. 



1909. The Human Species, Considered from the Standpoint of Com- 

 jnirative Anatomy, Physiology, Pathology and Bactcriolo-y. Lon- 

 don. 



Hume, David. 



1777. An Enquiry Concerning Human Undcrstnndin:-. Op:^n Court 

 Edition. Chicago. 



HUXTS^FAX, A. G. 



1913. The classification of the StyeMdae. ZdoI. Anz., Bd. M, i)i>. 

 482-501. 



HUXT.EY, J. S. 1 -v-vx-TTT 



1916. Bird-watching and biological science. .Vuk, v;)l. XWIII. 

 p. 142. 



Huxley, T. H. 



1852. Upon Animal Individuality. Scientific Memo.rs of 1. M. 

 Huxley, vol. I, jip. 14(;-151. London. 



1853. 'The Cell-Theorv. Ibid, pp. 241-278. ^ ,. , , 

 1868. On the Physical Basis of Life. CollccU-d Wonis: Mct.iod 

 and Results. New York. . , . , t- i- 

 1894. Hume with Helps to the Study of BcruC.cy. Aulhonzcd Ld;- 



tion. New York. 



James, W. -..oh 



1907. Tlie enercies of men. Silence, v. ..>, p. .5.1. 

 1890. The Principles of Psycholo-y. 2 vols. New York. 



