Vernies 



50 



ponenten. Im diakiuetiüchen Kern 10 Chromosomen. In der frühesten 

 Prophase temporäre Parallelkonjugation. Reduktionelle I. Reifeteilung. 

 II. Teilung ohne Ruhestadium, äquatoriell.] 

 970)5 de Beau champ, P. 51.23 Monoopiiornm (44.79) 



1918. Sur la faune (Turbellaries en particulier) des eaux saumâtres du 

 Socoa. II. — Monoophorum grafft n. sp. Bull« Soc. zool. France T. 38 p. 

 159-162, 2 figg. 



06 Cognetti de Martiis, Luigi. 51.23 Phaenocora (45.1) 



1914. Phaenocora jucunda. Nuova specie di Turbôllario Rabdocelo; (No- 

 ta preliminare). Boll. Mus. Zool. Anat. comp. Torino Vol. 29 Äo. 685, 

 2 PP. 



07 Böhmig, L. 51,23 Phaenocora (63.7) 



1914. Beiträge zur Kenntnis der Süsswasserfauna des Kaplandes und 

 einiger Subantarktischer Inseln. Phaenocora foliacea (Derostoma foliaceutn) 

 n. sp. ein Strudelwurm aus dem Süsswasser vom KaplaDd. Deutsch. 

 Südpol.-Exped. lid. 18 Zool. Bd. 8 p. 87-91, 4 figg. 



08 Child, C. M. 51.23 Planaria : 11 



1914. Starvation, Rejuvenescence and Acclimation in Planaria dorotoce- 

 phala. Aren* Entw.-Jlech. Bd. 3S p. 418—446, 3 figg. [Susceptibilité to 

 depressing agents. Metabolism higher in young than in old animais, 

 and in starvation than in abuadance. Acclimation afïected by nutrition. 

 Starvation réduction essentially a process of rejuvenescence (metabolism 

 as in young). Sénescence a decrease in rate ot metabolism (decrease in 

 permeabüity of membranes, increase in density and in proportion oî in- 

 active substance). Cyclic character.] 11.044,.3,.39 

 970)9 Child, C. M. 51.23 Planaria: 11 



1914. Studies on the Dynamics of Morphogenesis and Inheritance in 

 Expérimental Reproduction. VII. The Stimulation of Pièces by Section 

 in Planaria dorotocephala. Jon ru. exper. Zoöl. Vol. 16 p. 413—441, 4 

 ligg. [Section leads to temporary increase in rate of metabolism vary- 

 ing in amount inversely as length of pièce and according to body ré- 

 gion (increasing posteriorly). The greater the increase in metabolism rate, 

 the less the trequency of head-formation. Increase in rate of metabo- 

 lism in connection with reconstitution.] 11.04 4,. 64, 69 



10 Child, C. M. 51.23 Planaria : li.044 



1913. Studies on the Dynamics of Morphogenesis and Inheritance in 

 Expérimental Reproduction. VI. The Nature of the Axial Gradients in 

 Planaria and their Relation to Antero -Posterior Dominance, Polarity and 

 Symmetry. Arch. Entw.-Mecu. Bd. 37 p. 10S— 158, 13 figg. [Length of 

 life in KON etc. shows gradient in rate of metabolic reaction along an- 

 teroposterior axis (anterior région highest rate). Différences in reaction 

 to high and to low concentrations. Axial gradients in rate of reaction 

 constitute basis of polarity and of symmetry. Region of highest rate 

 dominâtes at beginning of development. Dominance as basis of inheri- 

 tance and development.] 



11 Child, C. M. 51.23 Planaria : 11.6 



1914. Asexual Breeding and Prévention of Sénescence in Planaria ve- 

 lata. Biol. Bull. Woods Hole Vol. 26 p. 286—293. [13 asexual généra- 

 tions without sénescence. Inhibition ot sénescence by partial starvation. 

 Alternation of sénescence and rejuvenation in asexual cycle.] 



12 Child, C. M. 51.23 Planaria : 11.6 



1914. Studies on the dynamics of morphogenesis and inheritance in ex- 

 périmental reproduction. VIII. Dynamic factors in head-determination 

 in Planaria. Journ. exper. ZoöJ. Vol. 17 p. 61—79, 2 ligg. [Head-de- 

 termination begins immediately after section (stimulation). Dépendent 

 upon adéquate physiological isolation of cells at anterior end of sever- 

 ed pièce. Influence of length of pièce in terms of axial gradiants.] 



11.64,.69 



97013 Mrâzek, Al. 51.23 Planaria : 11.69 



1914. Regenerationsverauche an der tri pharyngealen Planaria anophthal- 



