39 Protozoa. 



plasmakorpers zum Kern. Experimentelle Untersuchungen an Paramae- 

 cium candatum. Arch. Zellforsch. Bd. 3 p. 44 — 80, 18 Tab., 1 Kurve, 1 

 fig. — Berichtigung. p. 334. 11.041,.044 



40714 Wulzen, Rosalind. 31.7 Paramaecium : 11.044 



1909. On the mechanism of cytolysis in Paramecium. Quart. Journ. 

 exper. Physiol. London Tol. 2 p. 293—301, 6 figg. 



15 Estabrook, A. H. 31.7 Paramaeciuui : 11.044 



1910. Effect of External Agents upon Growth in Paramecium. (Amer. 

 Soc. Zool.) Science N. S. Vol. 31 p. 407. 



16 Estabrook, A. H. 31.7 Paramaecinm : 11 044 



1910. Effect of Chemicals on Growth in Paramecium. Journ. exper. 

 Zool. Yol. 8 p. 489—534, 1 fig. [The effects on growth are secondary ; 

 they are consequences of the interference of the chemical with the other 

 vital processes of the animal.] 



17 Khainsky, A. 31.7 Paramaecinm : 11.044 



1910. Physiologische Untersuchungen fiber Paramaecinm caudatum. Biol. 

 Centralbl. Bd. 30 p. 267—278, 22 figg. [Untersuchungen fiber das Hung- 

 ern und fiber die Wirkung von reinem Sauerstoff.] 



18 Matheny, W. A. 31.7 Paramaeciuui : 11.044 



1910. Effects of Alcohol on the life cycle of Paramaecium. Journ. ex- 

 per. Zool. Vol. 8 p. 193—206, 1 fig. 



19 de Petschenko, Boris. 31.7 Paramaecinm : 11.00 



1910. Contribution a l'etude de l'immunite chez les protozoaires. Cen- 

 tralbl. Bakt. Parasit. Abt. 1 Orig. Bd. 56 p. 90-92, 6 figg. 



20 Lipska, Irene. 31.7 Paramaecium : 11.3 



1910. Recherches sur l'influence de l'inanition chez Paramecium cauda- 

 tum. Rev. Suisse Zool. T. 18 p. 591—646, 1 pi. — C. R. Soc. Phys. Hist, 

 nat. Geneve Ann. 27 p. 15 — 17. 

 40721 Jennings, H. S., and George T. Hargitt. 31.7 Paramaecium : 11.5 



1910. Characteristics of the diverse races of Paramaecium. Journ. Mor- 

 phol. Vol. 21 p. 495—561, 24 figg. — (Amer. Soc. Zool.) Science N. S. 

 Vol. 31 p. 472. [Do not conjugate together.] 



22 Woodruff, Lorande Loss. 31.7 Paramaecinm : 11.64 



1910. On the power of Reproduction without Conjugation in Paramecium. 

 Proc. Soc. exper. Biol. Med. N. I. Vol. 7 p. 144. [P. does not necessa- 

 rily undergo cyclical changes in general vitality.] 



23 Jennings, H. S. 31.7 Paramaecium : 11.66 



1910. Experiments on the Effect of Conjugation on the Life History in 

 Paramecium. (Amer. Soc. Zool.) Science N. S. Vol. 31 p. 466 — 467. 

 [No indication of rejuvenation.] 



24 Jennings, H. S. 31.7 Paramaecium : 11.66 



1910. What conditions induce conjugation in Paramaecium? Journ. ex- 

 per. Zool. Vol. 9 p. 279-300, 4 figg. 



25 Khainsky, A. 31.7 Paramaecium : 18.1 



1910. Zur Morphologie und Physiologie einiger Infusorien {Pnramaecium 

 caudatum) auf Grund einer neuen histologischen Methode. Arch. Protis- 

 tenkde. Bd. 21 p. 1-60, 3 Taf., 2 figg. H.06,.32,.49,.7, 18.11,.13,.18 



26 Schaeffer, Asa Arthur. 31.7 Stentor : 11.31 



1910. Selection of Food in Stentor coeruleus (Ehr.). Journ. exper. Zool. 

 Vol. 8 p. 75-132, 2 figg. 



27 Laackmann, Hans. 31.7 Tintinnidae (26) 



1910. Die Tintinnodeen der deutschen Sudpolar-Expedition 1901 — 1903. 

 Deutsch. Sudpol. Exped. Bd. 11 Zool. Bd. 3 p. 341—496, 18 Taf. [14 

 nn. spp. in : Cymatocylis n. g. 7 (34 nn. form.), Tintinnus 3 (2 nn. varr.), 

 Undella 4 ('6 nn. varr.), Codonella 2, Rhabdonella. 1 n. form, in Leprotin- 

 tinnus.] (26.1,.4,.7,.9) 



40728 Brandt, Karl. 31.7 Tintinnidae (26.1) 



1910. Tintinnodea. Cons, perman. intern. Explor. Mer Bull. trim. Res. 

 Crois. period, p. 3—19, 4 figg. (26.12,.13) 



25. II 1911. 



