Literature. 



iiialbiani (1892)- Me'rotomie des Infusoires. Annales de 



Microgr. 4. 

 Bernard (1679)- Lepons sur les Phenomenes de la Vie. 

 Biedermann (1916)- Nahrung. V/intersteins Handbuch, 2^ > 

 Brandt (1895)- Actinospherium Eichornii. Inaug. Diss. Halle. 

 Burrows and Neymann (1917)- The toxicity of cC-amino-aclds 



..-.:. for embryonic chicken cells. J. Exp. Med. 2^ 

 Child (1913)- (Cyanide method) Jour. Exp. Zool. 14. 



(1915)- Senescence and Rejuvenescence. 

 Doflein ( )- Lehrbuch der Protozoenkunde. 

 Demoor (1895)- Contribution a 1'6'tude de la physiologie de 



la cellule. Arch.de Biol. 15, 1G5. 

 Gerassimoff (1890)- Einige Bemerkungen Uber die Function des 



Zellkernes. Bull, de la soc Imp^r. des 

 Naturalistes de Moscou. 4. 

 Gruber, A. (1884)- Kunstliche Teilung der Infusorien. Biol. Cent. 4. 

 (1895)- Mikroskopische Vivisection. Ber. Naturf. 

 Ges. Freiburg. 7, 47. 

 Gruber, K.(l9l2)- Biologische und experimentelle Untersuch- 



ungen an Amoeba proteus. Arch.f.Prot. "5. 

 Hofer (1890)- Einfluss des Kerns. Jena. Zeit. Natur. 24, 105 

 Hyman (1917)- Metabolic gradients in Ameba. J. Exp. Zool. PA. 

 Kite and Chambers (1^12)- Vital Staining of Chromosomes. 



Science, N.3. 56, G39. 

 Korschelt (1889)- Zool. Jahrb. 



Korschelt (1907)- Regeneration und Transplantation. Jena. 

 Lillie, F.(1895)- Smallest Parts of Stentor Capable of Re- 

 generation. Jour. Morph. 12, 239. 

 Lillie, R. 3. (1911)- Physiology of Cell Division. J.Moroh. 22. 

 -iioeb, Jacques (1899)- Nucleus, oxidation organ. Arch. Entw. 



Hech. 8, G89. 

 (1905)- Studies in General Physiology. II. 505. 

 Macallum, A.B.(l892)- On the demonstration of the presence 



of iron in chromatin by michrochemical 

 methods. Proc . Royal Soc. London, 50. 

 '-Metcalf (1910)- Contractile vacuole. Jour. Exp. Zool. 9, 301. 

 Morgan (1901;- Regeneration of Stentor. Biol. Bull. 2, 311. 

 Nussbaum (1885)- Teilung von Infusorien. Arch. K'.ikr. Anat.26. 

 Prov/azec (1903)- Regeneration und Biologie der Protozoen. 



Arch. f. Prot. 3, 44. 

 ^Palla (1890)- Beobachtungen uber Zellhautbildung an des 



Zellkerns Beraubten Protoplasten. Flora, 73. 

 ' Osterhout (1917)- The Role of the Nucleus in Oxidation. 



Science, N.3. 56, 56'^. 



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