Vennes 



382 



Bd. 11 p. 51 — 150, 2 Taf. [Mitotische Vermehrung der Ovogonien. Ovo- 

 cyten mit Chromosomen, die ni? aufgelöst werden. Paarweises sich Anein- 

 anderlegen der Univalenten Chromosomen ohne iSynapsis. Grundchro- 

 matin, Chromiolen und Nucleolarchromatin. Chromidienbildung. Mito- 

 chondrien. Glykogen. Kern-Plasma-Relation.] 

 31645 Bressiau, E., und H. von Voss. 51.23 Mesostoma : 14.8 



11)13. Das Nervensystem von Mesostoma ehrenbergi (Pocke). Zool. Anz. 

 Bd. 43 p. 260 -263, 2 figg. 14.81,.83 



46 Çhild, €. M. 51.23 Planaria : 11.044 



1913. Studies on the Dynamics of Morphogenesis and Inheritance in 

 Expérimental Reproduction. V. The Relation between Resistance to De- 

 pressing Agents and Rate of Metabolism in Planaria dorotoeephala and 

 its Value as a Metbod of Investigation. Jourii. exper. Zool. Vol. 14 p. 

 153—206, 2 figg. [In high concentrations of KCN, alcohol etc., length of 

 life varies inverseiy as rate of reaction of animal or tissue. In low con- 

 centrations (death after days or weeks), résistance varies directly as rate 

 of reaction.] 



47 Child, C. M. 51.23 Planaria : 11.6 



1913. The Asexual Cycle of Planaria velata in Relation to Sénescence 

 and Rejuvenescence. ßiol. Bull. Woods Hole Voi. 25 p. 181—203, 12 



figg. [Asexual reproduction leads to rejuvenescence. Indefinite number 

 ot générations possible without sexual reproduction. Sénescence as the 

 accumulation of material and the résultant decrease in the rate of meta- 

 bolism.] 



48 Monti, Antonietta. 51.23 Planaria: 11.69 



1912. La rigenerazione degli ovari nelle planarie. Arch. zool. Napoli 

 Vol. 6 p. 27—36, 1 tav. 

 81649 Monti, Antonietta. 51.23 Planaria : 12.65 



1912. Sopra un caso di ovari difiusi in un triclade, dovuto probabil- 

 mente a! parassitismo di uno sporozoo. Arch. zool. Napoli Vol. 6 p. 

 21-26, 1 tav. 



50 Lang, Paul. 51.23 Planaria : 14 



1913. Beiträge zur Anatomie und Histologie von Planaria polychroa. Zeit- 

 sehr. wiss. Zool. Bd. 105 p. 136—155, 1 Taf., 1 fig. . 



14.3i,.61,.63-.67,.81,. 83,68 



51 Lang, Paul. 51.23 Planaria : 14.88 



1912. Zur Systematik der einheimischen Süsswassertricladen (Auricular- 

 sinnesorgane). Zool. Anz. Bd. 41 p. 11—13, 4 figg. 



52 Boreiii, Alfredo. 51.23 Planaria (82.9) 



1901. Di una nuova Planaria d'aequa dolce della Republica Argentina. 

 Boll. Mus. zool. Anat, comp. Torino Vol. 16 äo. 400, 6 pp., 1 fig. [P. 

 patagonied n. sp.] 



53 Patterson, J. T., and H. L. Wiemaii. 51.23 Planocera : 13.11 



1912. The Utérine Spindie of the Polyclad Planocera inquüina. Biol. 

 Bull. Vol. 23 p. 271—282, 5 pis. [The utérine spindie is the first phase 

 of a typical maturation spindie.] 



54. Bölnnig, Ludwig. 51.23 Polycelis ; 11.6 



1913. Studien an Doppelplanarien. Die Kokonbildung und -abläge bei 

 Planarien mit vermehrter Zahl der Üopulationsapparate. Zool. Jahrb. 

 Bd. 36 Abt. Anat. p. 307—336, 2 Taf., 5 figg. [Bau der Copulationsappa- 

 rate. „Uterus" ein Receptaculum seminis. Beeinflussung des Nerven- 

 systems, Darmes etc. durch die Spaltung des Hinterkörpers.] 



11.64,.66, 14.63,.64,.65,.67 



55 de Beauchaiup, P. 51.23 Prorhynchopsis (44.11) 



1913. Un nouveau rhabdoccele marin, Prorhynchopsis minuta u. g. n. sp. 

 Bull. Soc. zool. France T. 37 p. 299—302, 1 fig. 



56 Ikeda, lwaji. 51.23 Pseudartiocotylus (54.87) 



1911. Notes on a New Land Planarian from Ceylon. Spolia zeylanica 

 Vol. 7 p. 113—123, 1 pl., 1 fig. [Pseudartiocotylus n. g. ceylonicus n. sp.] 



31657 Nusbaum, Jôzef, und Mieczysïaw Oxner. 51.24 : 11.3 



1912. Studien über die Wirkung des Hungerns auf den Organismus der 

 Nemertinen. Arch. Entw.-Mech. Bd. 34 p. 386—443, 3 Taf. 



