Kleine Mitteilungen. 351 



häufige „Zurücksetzen des Cervidengeweihes" bedingen, daß dieses „wohl in der 

 Systematik recenter Formen ein wichtiges Merkmal zur Diagnose abgeben" kann, 

 „nie aber zum Ausgangspunkt stammesgeschichtlicher Spekulation gewählt wer- 

 den" darf. Hinweis auf die Abnahme der Stärke der Geweihe im letzten Jahr- 

 hundert. Die Ausrottung des Wolfes, der die schwachen Hirsche riß, der Ab- 

 schuß gerade der starken Hirsche, das Fehlen der Feinde verhindern die Über- 

 tragung hervorragender körperlicher Eigenschaften der Überlebenden auf die 

 Nachkommen. Eckstein (Eberswalde). 



Hierzu: Nr. 1003—1005, 1011, 1012, 1020, 1021, 1024, 1031—1035, 1045, 1048. 



Kleine Mitteilungen. 



Versammlungen und Gesellschaften. 



American Society of Saturalists. Die östliche und zentrale Abteilung der Ge- 

 sellschaft hielten in gemeinsamer Sitzung ihre Jahresversammlung in Cleveland Ohio 

 vom 30. Dez. 1912 bis 1. Jan. 1913 ab. 



Von öcologis eben Vorträgen seien erwähnt: A. S. Pearse, The Beaches at Nahaut, 

 Mass.; S. R. Williams, Notes on the distribution of Thermobia domestica and Lepisma 

 Sdcdiarina; V. E. Shelford, An experimental Study of the Reactions of certain animals 

 to gradients of evaporating power of Air; J. W. Scott, The viability of certain Cysto- 

 cerci in pigs and in young dogs; R. H. Wolcott, (1) Some aspects of faunal conditions 

 in western Nebrasca. (2) ßiological work in the alkali Lakes of Cherry country, Neb.; 

 F. B. Isely, Experimental study of the growth and migratiou of fresh water Musseis; 

 J. D. Wodsedalek, Some results of studies on behaviour and starvation of Dermestidae; 

 Nathan Fasten and George Wagner, The behavior of a parasitic Copepod, Lernae- 

 opoda edwardsii. 



Vergleichende Anatomie: A. Petrunkewitch, The origin of Arachnids in 

 the light of palaeontological evidence; Edwin Liuton, Note on a viviparous Distome; 

 J. F. Ab bot, Adaptations for air-brething in the Ocypod Crabs; F. D. Barker, A con- 

 tribution to the parasitic Turbellaria; H. S. Pratt, The Trematode parasites of the Log- 

 geshead Turtle; J. W. Scott, Note concerning the origin of the introvert in Cirratulus; 

 R. M. Strong, Further obs^ervations on the olfactory Organs of Birds; A. W. Meyer, 

 Degenerative and obliterative Changes in the fetal vessels and ligaments; L. B. Wal ton, 

 The anatomy of the north american Land plauarians; A. M. Reese, The histology of 

 the enteron of the Alligator while hibernating and whiie feeding; F. W. Carpen'ter, 

 Methylene Blue preparations of nerve endings in cranial autonomic ganglia; H. L. Brauer, 

 Jacobsons Organ and the respiratory mechanism of Urodeles; J. F. Daucel, The endo- 

 skeleton ot Heterodontus fruncisci; F. D. Barker, The Parasites of the muskrat; R. J. 

 Gilmore, Variations in the pelvic girdle ot Biemyctißus viridescens ; W. E. Sullivan, 

 Zones of growth in the skeletal structures of Fseudopleuronectes americanus (Walb.); 

 W. A. Willard, (1) The epidermal sense Organs of Anolis carolininsis-, (2) A case of 

 complete twin formation in Squalus acanthias. 



Vergleichend -physiologische Vorträge hielten: Max Morse, The role of 

 phagocytosis in the process of Involution; A. G. Mayer, Some effects of ions upon the 

 movements of marine animals; J. F. Abbot, Reactions of Fiddler crabs to salt Solutions; 

 H. M. Mac Curdy, Some eifects of sunlight on the starfish Asterias forbesii; S. 0. Mast, 

 The reactions of Spondylomorum to light, with special reference to the question of 

 Changes in the sense of reactions; H. W. Rand, Reactions of the tentacles of Sagartia 

 luciae to tactile Stimulation; A. J. Gold färb, On the etfects of changes of Density of 

 Sea water upon growth and Regeneration; G. H. Parker and E. M. Stabler, Taste, 

 smell and allied senses; G. G. Scott, The effect of fresh water upon Fundulus lietero- 

 clitus; Max Morse, Factors involves in the metamorphosis of Amphibia; A. G. Mayer, 

 The vital limits of Reef Corals in respect to temperature; S. 0. Mast, Thirteen hundred 

 Generations in Didinium without conjugation; A. S. Goldfarb, On a new Method of 

 grafting embryos in large numbers. 



Embryologische und cytologische Themata behandelten: Albert Kuntz, The 

 histogenesis of the cranial sympathetic ganglion in the Pig; H. L. Clark, Ontogenetic 

 and localized stages in Ophiurans; C. M. Child, Senescence and rejuveuescence in Pia- 



