247 



Verme& 



206091 Lang, Paul. 51.23 : U 



1915. Experimentelle und histologische Studien an Turbellarien. III. 

 Mitteilung. Aren. mikr. Anat. Bd. 87 Abt. 2 p. 1—11, 9 figg. [Hetero- 

 morpher Kopf und Sinnesgrübchen der Planaria polychroa. Regeneration 

 bei Polycelis nigra] 14.3,.77,.81,.84,.88,.93 



92 Wilhelmi, Julius. 51.23 :15 



1915. Einige biologische Beobachtungen an Süsswassertricladen. Zool. 

 Anz. Bd. 45 p. 475-479, 4 figg. 15.3,.6 



93 Meixner, Josef. 51.23 (43.61) 



1915. Zur Turbellarienfauna der Ost- Alpen, insonderheit des Lunzer 

 Seengebietes. Zool. Jahrb. Abt. Syst. Bd. 38 p. 459-588, 3 Taf., 10 

 figg» un. spp. in : Dalyellia, Phaenocora, Strongylostoma.] 



94 Haswell, W. A. 51.23 Didyinorckis (94.4) 



1915. Studies on the Turbellaria. Part III. — Didymorchis. (Juart. 

 Journ. micr. Sc. Vol. 61 p. 161—169, i pl., 1 fig. [D. astacopsidis et 

 cherapsis nn. spp.] 



95 Lloyd, Dorothy Jordan. 51,23 Gunda : 11.69 



1914. The Influence of Osmotic Pressure upon the Regeneration of 

 Gunda ulvae. Proc. R. Soc. London Vol. 88 B p. 1 — 20, 16 figg. [Opti- 

 mum at pressure just below that of sea-water. Migration of undifferen- 

 tiated celle as building material retarded for values between optimum 

 and limits. Same effect on restoration after hunger réduction.] 



96 Toedtmann, W. 51.23 Gyratrix : 13.1 



1914. Die Bildung der Eischale bei Gyratrix hermaphroditus Ehbbg. 

 Arch. Hydrobiol. Planktonkde* Bd. 9 p. 411—414, 1 Taf. [Umbildungs- 

 produkte von Dottersekreten. Kern der Dotterzellen scheidet Vakuolen 

 aus, die Bestandteile des Plasmas in sich aufnehmen, aus den Zellen 

 austreten und homogenen Inhalt zwischen Dotterzollen ergiessen.] 



97 Dreyer, T. F. 51.23 Mesostoma (68.5) 



1915. A Mesostoma from Bloemfontein. (M. karrooense, n. sp.) Trans, 

 ß. Soc. South Africa Vol. 5 p. 55—59, 3 figg. 



206098 Kepner, Wm. A., and Arnold Rieh. 51.23 Planaria : 11 



1915. Food Reactions of the Proboscis of Planaria. (Amer. Soc. Zool.) 

 Science N. S. Vol. 41 p. 473. [Ingestion of food by amputated probos- 

 cis. Tendency under inhibitory control of ganglia near base of pro- 

 boscis.] 11.31,.81 

 99 Allen, George Delwin. 51.23 Planaria : 11.044 



1915. Reversibility of the Reactions of Planaria dorotoeephala to a Cur- 

 rent of Water. Biol. Bull. Woods Hole Vol. 29 p. 111-128, 2 pis. [Po- 

 sitive reaction in strong, negative in weak currents. Reversai of reac- 

 tion by changing strength of current, by changing composition of water, 

 by sudden changes in température.] 



506100 Zweibaum, Jules. 51.23 Polycelis : 11.69 



1915. La régénération des ovaires chez Polycelis nigra (Ehrenb.). Arch. 

 Entw.-Mech, Bd. 41 p. 430—471, 2 pis. [Regeneration auf Kosten einer 

 Keimzelle. Wirkung von Wärme, Licht und salzigem Milieu.] 



01 Kepner, Wm. A., and J. R. Cash. 51.23 Stenostoma : 14.88 



1915. Ciliated pits of Stenostoma, Journ. Morph. Vol. 26 p. 235—245, 

 4 figg. [Arise from gênerai epithelium much as does olfactory epitheli- 

 um in Vertebrates.] 



02 Brinkmann, August. 51.24 (26) 



1915. Die pelagischen Nemertinen der deutschen Südpolarexpedition 

 19G1— 1903. (Vorläufige Mitteilung.) Bergens Mus. Aarb. 1915/16 No. 1, 

 9 pp., 5 figg. [3 nn. spp. in : Planktonemertes, Paradinonemertes n. g., Nec- 

 tonemertes] (26.1,.3) 



03 Evans, William. 51.24 (41.45) 



1915. Two Additions to the List of „Förth" Nemertinea. Scottish Na- 

 tural. 1915 p. 336. [Cephalothrix rufifrons and Tetrastemma dorsalis.] 



206104 Colgan, Nathaniel. 51.24 Lineus : 11.856 



1916. Observations on Phototropism and the Development of Eye-spots 



