Protozoa 282 



Jahrg. 29 p. 39—77, 1 Taf., 51 figg. [Vorkommen und Morphologie. Fort- 

 pflanzung und Conjugation,] 11.66, 18.11,.13,.15 



80186 Stirrup, H. H. 3!. 7 Mesniiella : 16.9 : 51.6 



1913. A Descriptive Study of an Oligochaete Worm of the Family En- 

 chytraeidae; with an Appendix on certain Commensal Protozoa. Proc. 

 zool: Soc. London 1913 p. 300—321, 4 pis., 7 fi 2 g. 



87 de Beaurepaire Aragao, H. 3L7 Nyctotherus : 16.9 ; 78 



1912. Noticia sobre o Nyctotherus cordifonnis Stein. — Bemerkungen 

 liber den Nyctotherus cordiformis Stein. Mem. Inst. Oswaldo Cruz Rio de 

 Janeiro T. 4 p. 125—129, 1 Taf. 



88 Entz, Geza, jun. 31.7 Nyctotherus : 18.1 



1913. Ueber Ore;anisationsverhaltnisse von Nyctotherus pisc/cola (Daday). 

 Arch. Protistenkde. Bd. 29 p. 364—386, 1 Taf, 26 figg. 



IS.11,.13,.18 



89 Metcalf, Maynard M. 31.7 Opalina : 16.9 : 79 



1912. Opalina milotica. Zool. Jahrb. Sui?pl. Bd. 15 p. 79—94, 1 pi., 1 



fig. 



90 Woodruff, Lorande Loss. 31.7 Oxytricha : 18.1 



1913. The Kemplasmarelation during the life of a pedigreed race of 

 Oxytricha fallax. Proc. Soc. exper. Biol. Med. Vol. 10 p. 74. [Incidental 

 result rather than cause of cell division.] — Ceil size, nuclear size and 

 the nucleo-cytoplasmic relation during the life of a pedigreed race of 

 Oxytricha fallax. Journ. exper. Zool. Vol. 15 p. 1—22, 1 fig. [Cells and 

 nuclei become progressively larger as division rate falls. Nucleo-cyto- 

 plasmic relation highest during period of greatest reproductive activity. 

 Incidental to rather than causative of cell division.] 18.11, .13,. 15 



91 Smith, Stevenson. 31.7 Paramecium : 11.014 



1912. The Limits of Educability of Paramecium. Proc. 7th intern, zool. 

 Congr. p. 142—144. [Touch reactions. Inadequacy of associated past 

 experience to modify reaction to given stimulus.] 



80192 Dale, Dorothy. 31.7 Paramecium : 11.044 



1913. On the action of electrolytes on Paramoecium. Journ. Physiol. 

 London Vol. 46 p. 129—140, 6 figg. [Determination of II and OH ion 

 concentration limits fatal to P. Action ascribed to power of conferring 

 electric charges on colloidal materials with which they coma in contact] 



93 Metalnikov, S. 31.7 Paramecium : 11.044 



1913. Sur la faculte des infusoires d'apprendre a choisir la nourriture. 

 (Reun. biol. St.-Petersbourg.) C. R. Soc. Biol. Paris T. 74 p. 701—703. [Ap- 

 prennent a distmguer et a rejeter des substances sans valeur nutritive 

 qu'ils avaient englobe au commencement de l'epreuve.] — Comment les 

 infusoires se ccmportent vis-a-vis des melanges de diverses matieres co- 

 lorantes. p. 704 — 705. 



94 Jennings, JI. S., and K. S. Lashley. 31.7 Paramecium : 11.5 



1913. P.iparental Inheritance of Size in Paramecium. Journ. exper. 

 Zool. Vol. 15 p. 193 — 200. [Offspring after conjugation more alike in 

 average size. Assortive mating leading to a change of 48% in progeny.] 



95 Woodruff, Lorande Loss. 31.7 Paramecium : 11.6 



1912. A five-year pedigreed race of Paramaecium without conjugation. 

 Proc. Soc. exper. Biol. Med. N. Y. Vol. 9 p. 121—123. 11.66 



98 Jennings, H. S., and K. S. Lashley. 31.7 Paramecium : 11.6 



1913. Biparental Inheritance and the Question of Sexuality in Para- 

 mecium. Journ. exper. Zool. Vol. 14 p. 393 — 466, 2 figg. (Besprechung 

 von Rh. Erdmann. Arch. Protistenkde. Bd. 30 p. 338 — 339.) 



97 Woodruff, Lorande Loss. 31.7 Paramecium : 11.6 



1913. Dreitausend und dreihundert Generationen von Paramaecium ohne 

 Kocjugation oder kunstliche Reizung. Biol. Centralhl. Bd. 33 p. 34—36, 

 1 fig- 

 80198 Calkins, Gary N. 31.7 Paramecium : 11.66 



1913. Further light on the conjugation -of Paramecium. Proc. Soc. ex- 

 per. Biol. Med. Vol. 10 p. 65—67. [Some descendants of an ex-conju- 



