Protozoa. 



412 



53707 Oettii, Max. 31.7 Paramaeciuiu : 11.044 



1910. Kleine Schulversuche. Die Thermotaxis der Paramaecien. Mo- 

 natsii. nat. Uuterr. Bd. 3 p. 508, 1 fig. 



08 Harper, E. H. 31.7 Paramaecium : 11.044 



1Ö11. The Geotropism of Paramoecîum. Journ. Morphol. Vol. 22 p. 993 

 -1000, 5 figg. 



09 Woodruff, Lorande Loss, and George 



Alfred Baitsell. 31.7 Paramaecium ; 11.044 



1911. Beef extract as a "constant" culture medium for Paramaecium 

 aurelia. Proc. Soc. exper. Biol. Med. N. Y. Vol. 8 p. 121—122. 



10 MeTajBHnKOBt, C. H. Metalnikow, S. I. 31.7 Paramaecinm : 11.32 



1904. 0 BHyTpHK.TÉTOHHOM'B iiHiij;eBapeHiii. Tpyji;Bi Cnö. Oôm;. Ectcctb. 

 npoTOK. Sac^ji;. — Trav. Soc. Nat. St.-Pétersbourg- C. R. T. 35 Livr. 1 

 p. 8. [Ueber intracelluiäre Verdauung.] 



11 Ifirenstein, Edmund. 31.7 Paramaecinm : 11.32 



1909. Ueber Fettverdauung und Fettspeicherung bei Infusorien. Zeit- 

 schr. allg. Physiol. Bd. 10 p. 137-149, 1 Taf. 



12 Pearl, Raymond. 31.7 Paramaecium : 11.5 



1907 ♦ Completion of investigations by Statistical methods on variation 

 and corrélation, otli Yearbook Carnegie Inst. Washington p. 247 — 249. 

 18 Jenuings, H. S. 31.7 Paramaecinm : 11.5 



1911. Assortative mating, variability and inheritance of size, in the con- 

 jugation of Para^necium. Journ. exper. Zool. Vol. 11 p. 1 — 134, 16 figg. 



14 Jennings, H. S. 31.7 Paramaecinm : 11.5 



1911. Computing corrélation in cases where symmetrical tables are com- 

 monly used. Amer. Natural. Vol. 45 p. 123—128. 



15 Jennings, H, S. 31.7 Paramaecium : 11.5 



1911. Pure Lines in the Study of Genetics in Lower Organisms. Amer. 

 Natural. Vol. 45 p. 79—89. 

 53716 Calkins, Gary N. 31.7 Paramaecium: 31.6 



1905. Rejuvenescence in Protozoa. (Soc. exper. Biol. Med.) Med. News 

 Vol. 87 p. 87-88. (Abstr. Science N. S. Vol. 21 p. 742). [As effect of 

 conjugation.] 



17 Woodruff, Lorande Loss. 31.7 Paramaecium i 11.6 



1911. Two Thousand Générations of Paramaecium. Arch. Protistenkde. 

 Bd. 21 p. 263 — 266, 3 pis. [Unlimited reproduction by division when 

 subjected to suitable culture conditions.] 11.64 



18 Woodruff, Lorande Loss, and 



George xUfred Baitsell. 31.7 Paramaecium : 11.6 



1911. The Reproduction of Paramaecium aurelia in a 'Constant' Culture 

 Medium of Beef Extract. Journ. exper. Zool. Vol. 11 p. 135 — 142, 2 

 figg- 



19 Powers, J. H., and Claude Mitchell. 31.7 Paramaecium : 11.66 



1910. A New Speeles of Paramecium (P. multimicronucleaLa) experiraen- 

 tally determined. Biol. Bull. Vol. 19 p. 324—332, 1 pl. 



20 Beliorne, Armand. 81.7 Paramaecium : 11.66 



1911. La non-copulation du noyau échangé et du noyau stationnaire et 

 la disparition de dernier dans la conjugaison de Paramecium cauda- 

 tum. C. R. Acad. Se. Paris T. 152 p. 922—925. 



21 Calkius, Gary N. 31.7 Paramaecium : 11.69 



1911. Effects Produced by Cutting Paramaecium Cells. Biol. Bull. Vol. 

 21 p. 36—72, 3 pis., 1 fig. [Présence of division zone. Monsters witb. 

 numerous mouths. Independence of division and régénération.] 



22 Lewin, K. R. 31.7 Paramaecium : 18.13 



1911. Nuclear relations of Paramecium caudatum duiing the asexual period. 

 (Preliminary Communication.) Proc. Cambridge philos. Soc. Vol. 16 p. 

 39-41, 6 figg. 



53723 Baitsell, George Alfred. 31.7 Stylonychia : 11.66 



1911. Conjugation of closely related individuals of Stylonychia, Proc. 

 Soc. exper. Biol. M«d. N. Y. Vol. 8 p. 122—123. 



1. XL 1911. 



