339 



Protozoa. 



16655 Metealf, Maynard M. 31.7 Opalina : 14 



1908. Opalina. Its Anatomy and Reproduction, with a Description of 

 Infection Experiments and a Chronological Review of the Literature. 

 Arch. Protistenk. Bd. 13 p. 195—378, 14 Tal, 17 figg. 11.64,.66 



56 Dobell, C. Clifford. 31.7 Opalina : 16.9 : 78 



1907. Physiological Degeneration in Opalina, Quart. Journ. uiicr. Se. 

 Vol. 51 p. 633—645, 2 figg. [Change of shape. Loss of cilia („atrichous" 

 forms). Nuclear changes. Death. (The determining factor in degene- 

 ration is starvation).] 



57 Kunstler, J., et Ch. Gineste. 31.7 Opalina : 18.11 



1906. Les sphérules chromophiles chez les protozoaires. C. R* Ass. 

 Anat. T. 8 p. 3—5, 11 figg. [Elément fondamental du protoplasme.] 



58 Loewenthal, Waldemar. 31.7 Opalina : 18.13 



1908. Notizen über Opalina ranarum nebst Bemerkungen über die Unter- 

 scheidung von Erythro- und Cyanochromatin. Arch. Protistenk. Bd. 13 

 p. 115-120, 1 flg. 



59 Schouteden, H. 31.7 Opalinidae (28) 



1907. Les Infusoires Aspirotriches d'eau douce. Ann. Biol. lacustre T. 

 2 p. 171—180. 



60 Fauré-Fremiet, Emmanuel. 31.7 Opercularia : 14 



1907. L'organisation de 1' „Opercularia notonectae" dans ses rapports avec 

 la cytologie générale. Note préliminaire. C. R. Ass. Anat. T. 9 p. 111 

 -116. 



61 Cépède, C. 31.7 Orchidophrya : 16.9 : 39.3 



1908. Sur un nouvel Infusoire Astome, parasite des testicules des Etoiles 

 de mer. — Considérations générales sur les Astomata. C. R. Ass. franç. 

 Av. Se. Sess. 36 Pt. 1 p. 258. [Orchidophrya stellarum.] 



16662 Wagner, George. 31.7 Oxytricha : 11.044 



1908. A Note on the Chemotaxis of Oxytricha aeruginosa. Biol. Bull. 

 Vol. 14 p. 290-296. 



63 Dunbar, Frances J. 31.7 Paramaecium : 07 



1904. Methods Used in Cultivating Pure Strains of Paramaecium. 6th 

 Rep. Michigan Acad. Se. p. 186—187. 



64 Bardeen, Charles R. 31.7 Paramaecium : 11.044 



1907. The Action of the X-Rays on Paramecia. (Proc. Ass. Amer. Anat.) 

 Amer. Journ. Anat. Vol. 6 Anat. Ree. p. 59 — 60. [Great résistance to 

 Roentgen rays.] 



65 Hausmann, W., und W. Kolmer. 31.7 Paramaecium : 11.044 



1907. Über die Einwirkung kolloidaler Gifte auf Paramäcien. Biochem. 

 Zeitschr. Bd. 3 p. 503—507. [Kolloidaler Charakter bewirkt nicht Gift- 

 wirkung. Einwirkung der Temperatur.] 



66 Daniel, J. Frank. 31.7 Paramaecium : 11.044 



1908. The Adjustment of Paramecium to Distilled Water and its Bearing 

 on the Problem of the Necessary Inorganic Salt Content. Amer. Journ. 

 Physiol. Vol. 23 p. 48—63. [Death in distilled water is caused by sudden 

 change in media. Organisms transferred gradually live for days without 

 food in purer water than it took to kill control animais suddenly sub- 

 ïected to it.] 



67 Hausmann, W[alther], und W. Kolmer. 31.7 Paramaecium : 11.044 



1908. Über die sensibilisierende Wirkung pflanzlicher und tierischer 

 Farbstoffe auf Paramaecien. Biochem. Zeitschr. Bd. 15 p. 12—18. 



[Photodynamische Wirkung.] 



16668 McClendon, J. F. 31.7 Paramaecium : 11.044 



1908. The Effects of Prolonged Centrifugal Force on Paramaecium. (Proc. 

 Amer, physiol. Soc.) Amer. Journ. Physiol. Vol. 21 p. XIV. 



15. I. 1909. 



