Histologia 



[Retention of definite relationship between number of any given cleav- 

 âge and total number of cleavages. Directive factors within the celis. 

 Production of widely varying number ot ceils due to élimination of in- 

 hibitors in course of metabolism. Environmental factors play no direct 

 part.] 



205298 Wallin, Ivan E. 18.15 

 1915. An Instance of Acidophilic Chromosomes and Chromatin Parti- 

 cles. Anat. Record Vol. 9 p. 421—424, 1 pl. [Présence in larva of Pe- 

 tromyzon of dividing cells with acidophile chromosomes.] 7.2 

 99 Alexeieff, A. 18.15 : 31 



1914. Notes protistologiques. Zool. Anz. Bd. 43 p. 515—524, 11 figg. 

 [Données cytologiques sur la division chez Codonosiga (homologie du 

 blépharoplaste et du centrosome).] 31.1,.fi 



205300 Ford, E. 18.15 : 31.1 Amoeba 



1914. On the nuclear division of a free-living Umax amoeba {Amoeba 

 tachypodia Gläser?). Arch. Protistenkde. Bd. 34 p. 190—197, 1 pl. 



01 Hartmann, Max. 18.15 : 31.1 Amoeba 



1914. Bemerkungen über Amoeba lacertae Hartmann, eine Antwort an 

 Clifford Dobell. Arch. Protistenkde. Bd. 34 p. 336—340, 6 figg. 



02 Janicki, C. 18.15 : 31.6 



1912. Bemerkungen zum Kernteilungsvorgang bei Flagellaten, nament- 

 lich bei parasitischen Formen. Verh. nat. Ges. Basel Bd. 23 p. 82— 111, 

 8 figg. 



03 Nägler* Kurt. 18.15 : 31.6 Cercobodo 



1914. Ueber Kernteilung und Fortpflanzung von Cercobodo agilis (Moboff) 

 emend. Senn. Arch. Protistenkde. Bd. 34 p. 133—138, 1 Taf. 



04 Jameson, A. Pringle. 18.15 : 31.6 Parapolytoma 



1914. A new Phytoflagellate {Parapolytoma satura n. g., n. sp.) and its 

 method of nuclear division. Arch. Protistenkde. Bd. 33 p. 21 — 44, 1 pl., 

 1 flg. [No centriole. Simple basal granules.] 



05 Conklin, Edwin Grant. 18.15 : 4.32 Crepidula 



1912. Expérimental Studies on Nuclear and Cell Division in the Eggs 

 of Crepidula. Journ. Acad. nat. Sc. Philadelphia (2) Vol. 15 p. 501 — 

 590, 17 pis. (Abstract, vide B. Z. Vol. 28 No. 96596.) 



205306 Richards, A. 18.15 : 4.32 Planorbis 



1914. The Effect of X-Rays on the Rate of Cell Division in the Early 

 Cleavage of Planorbis. Biol. Bull. Woods Hole Vol. 27 p. 67—96, 2 figg. 

 (Abstract, vide B. Z. Vol. 28 No. 96022.) 



07 Tobias, Alfred. 18.15 : 53.4 Cyclops 



1914. Ueber den Einfluss erhöhter Temperatur auf den Kernteilungs- 

 modus von Cyclops. Arch. mikr. Anat. Bd. 84 Abt. 1 p. 369—429, 1 

 Taf., 53 figg. (Referat, vide B. Z. Vol. 28 No. 97465.) 



08 des Cilleuls, J. 18.15 : 9.32 Lepus 



1914. Recherches sur la signification physiologique de l'amitose. Arch. 

 Anat. micr. T. 16 p. 132—148, 2 pis. [Amitoses répétées dans l'épithé- 

 lium des cornes utérines chez le Lapin du 7e au 15e jour après le coït, 

 sans diminution de vitalité.] 



09 Orton, J. H. 18.18 



1914. On Ciliary Mechanisms in Brachiopods and some Polychaetes, 

 with a Comparison of the Ciliary Mechanisms on the Gills of Molluscs, 

 Protochordata, Brachiopods, and Cryptocephalous Polychaetes, and an 

 Account of the Endostyle of Crepidula and its Allies. Journ. mar. biol. 

 Ass. Plymouth N. S. Vol. 10 p. 283-311, 12 figg. 



4.1,.32, 48, 51.7,.76, 7.1 



10 Burton, James. 18.18 : 31.6 Euglena 



1914. On the Disc-like Termination of the Flagellum of sorne Eugle* 

 nae. Journ. Qnekett micr. Club (2) Vol. 12 p. 291-294. 

 205311 Fauré-Fremiet, Ë. 18.18: 31.6 Polykrikos 



1913. Sur les nématocystes et les trichocystes de Polykrikos. Bull. Soc. 

 zool. France T. 38 p. 289—290, 1 fig. 



