Protozoa. 



68 



92885 Bortolotti, Ciro. 31. 70palinidae : 16.9:51.6. 



1901/02. Sviluppo e propagazione délie Opalinine parassite del Lombrico. 

 (Unione zool. ital.) Monit. zool. ital. Vol. 12. p. 179—180; Vol. 13. 

 p. 195—204, 4 figg. 

 SBFauré [-Fremiet], Emmanuel. 31.7 Opercularia (44.36). 



1904. Note sur un groupe nouveau à.^ Opercularia. Arch. Anat. microsc. 

 T. 7. p. 181—197, 4 figg. [4 nn. spp.] 



87Klatt, Georg. 31.7 Ophrydium: 15.5. 



1905. Eine Genossenscliaft zwischen Tier und Pflanze. Aus der IJatur 

 Jahrg. 1. p. 559 — 563, 9 figg. [Grüne Algen in Ophrydium versatile.'] 



88 Bancroft, Frank W. 31.7 Paramaecium : 11.044. 



1905. Über die Gültigkeit des Pflüg er 'sehen Gesetzes für die galvano- 

 tropischen Reaktionen von Paramaecium. Arch. ges. Physiol. Bd. 107. 

 p. 535—556, 9 figg. — On the Validity of Pflüger's Law for the Gal- 

 vanotropic Reaction oî Paramaecium (Preliminary communication). Univ. 

 California Puhl. Physiol. Vol. 2. p. 71. 



89 Bancroft, Frank W. 31.7 Paramaecium: 11.044. 



1905. On the Validity of Pflüger's Law for the Galvanotropic Reactions 

 oî Paramaecium. Univ. California Puhl. Physiol. Vol. 2. p. 193 — 215, 

 9 figg. [»Adopts the reversai of the cilia as the criterion for stimulation, 

 Pflüger's law holds for the stimulation of the cilia: upon making and 

 during the flow of the current the cathodal and only the cathodal cilia 

 reverse, and upon breaking the current, the anodal cilia reverse. «] 



90Barratt, J. 0. Wakelin. 31.7 Paramaecium: 11.044. 



1905. Der Einfluß der Konzentration auf die Chemotaxis. Zeitsehr. 

 allg. Physiol. Bd. 8. p. 73—94, 1 fig. 

 92891 Barratt, J. 0. Wakelin. 31.7 Paramaecium: 11.044. 



1905. Die Addition von Säuren und Alkalien durch lebendes Protoplasma. 

 Zeitsehr. ailg. Physiol. Bd. 8. p. 10—33, 3 figg. 



92 Barratt, J. 0. Wakelin. 31.7 Paramaecium: 11.044. 



1905. Die, für Paramäeien, tödlich wirkenden Konzentrationen von Säuren 

 und Basen. (6me Congr. intern. Physiol. Bruxelles.) Arch. internat. 

 Physiol. Vol. 2. p. [43—44]. 



93Lyon, E. P. 31.7 Paramaecium: 11,044. 



1905. On Jensen's Theory of Geotropism in Paramaecium, Amer. 

 Journ. Physiol. Vol. 13. p. XV— XVI. [Not due to difi*erence in 

 hydrostatic pressure because centrifugation (like conditions) induces the 

 P. to go against the centrifugal force.] 



94 Lyon, E. P. 3 1.7 Paramaecium: 11.044. 



1905. On the Theory of Geotropism in Paramaecium. Amer. Journ. 

 Physiol. Vol. 14. p. 421 — 432, 2 figg. [Against mechanical théories of 

 geotropism. It seems, that gravity must act directly upon the inner 

 constituent of the cell.] 



95 Brown, Orville Harry. 31. 7 Paramaecium : 11.044. 



1906. The Comparative Toxicity for Paramaecia of the Salts of Strychnine, 

 of Morphine and of Quinine. Amer. Journ. Physiol. Vol. 15. p. XXIV 

 XXV. 



92896Barratt, J. 0. Wakelin. 31.7 Paramaecium: 11.21. 



1905. Die Koklensäureproduktion von Paramaecium aurelia. Zeitsehr. 



10. YI. 1906. 



