160 Kleine Mitteilungen. 



bert, Further studies on the development of the cranial sympathetics ganglia in verte- 

 brates; Scott, John W., The early cleavage of Cirratulus grandis, Verrill; Grave, Cas- 

 well, A Solution of the problem of yolk manipulation by Ophiura. — Cytologie: Dahl- 

 gren, Ulrich, The nerve centers of the electric Organ in Baja punctata; Guy er, M. F., 

 The X-element of Plymouth Rock fowls; Payne, F., Chromosomal variations in the euro- 

 pean earwig, Forficula auricularia; Jordan, H. E., Spermatogenesis in Chrysemis marginata 

 and Cistudo Carolina; Morgulis, S., Howe, P. E. and Hawk, P. B., A microscopical 

 investigation of tissues from dogs which fasted extremely long periods of time; Heg- 

 ner, R. W., The germ-cell cycle in Animals; Dahlgren, Ulrich, The orientation of the 

 nuclear or^ans in the electric motor cells of Tetronarce and other Torpedos; Metcalf, M.M., 

 Chromosomes in Opalina; Kite, G. L., The physical changes in marine eggs in fertili- 

 zation; The molar structure of protoplasm. — Genetik: Gerould, John H. , A male 

 gynandromorph of Colias (Eurymus) euryiheme showing dimorphism in the female color 

 pattern; Nabours, R. K., Inheritance in Orthoptera; Shull, A. F., The effect of selection 

 upon egg characters in parthenogenetic lines of Hydatina; Bauta, A. M., Fifty gene- 

 rations of selection in parthenogenetic pure lines of Daphnids; Zeleuga, Chr. and 

 Faust, E. C, Size differences in the spermatozoa form single testes; Key, Wilhelmine E., 

 Segregation of traits in a Pennsylvania family; Colton, H. S., Some reactions of the 

 shell of the Pond snail, Limnaea, to external condition; Riddle, Oscar, A quantitative 

 basis of sex as indicated by the sex behavior of Doves from a sex controlled series; 

 McDowell,E. C, Size inheritance in rabbits. — Vergleichende Physiologie: Laurens H., 

 The reactions of normal and cyeless amphibian larvae to light; Glaser, Otto C, An 

 analysis of the Egg of Arbacia and Asterias; Schaeffer, Asa A. , Feeding Habits of 

 Amoeba; Mast, S. 0., Changes in Pattern and Color in Fishes, with Special Reference 

 to Flounders; Barrows, W. M., The Reactions of the Orb-weawing Spider, Aranea ca- 

 vatica, to Rhythmic Vibrations of the Web; Andrews, E. A., Secretion in the Protozoan 

 Folliculina; Hooker, Davenport, The Reactions to light and darkness of the Melano- 

 phores of Frog Tadpoles; Parker, G. H., The Movements of the Dog-fish as determined 

 by Olfactory Stimulation; Scott, G. J., The Oxygen Utilization of Fishes; Parker, G. H., 

 Internal Pressure in Sponges; Baistell, George A., A Study of the so-called Life Cycle 

 in Oxytricha fallax and Pleurotricha lanceolata; Woodruff, L. L., Further light on the 

 Conjugation of Paramoecium; Schaeffer, AsaA., Reactions of Amoeba to Light; Mcln- 

 doo, Norman Eugene, The Olfactory Sense of the Honey Bee; Burr, H. S., The Feed- 

 ing Habits of Ambly Stoma- Larvae; Lund, E. S., Experimental Analysis of Certain Pro- 

 cesses in the Food Vacuole of Bursaria. — Oecologie: Wright, Albert H. , The life 

 history of the Bullfrog (Bana catesbeiana); Shelford, V. E., An experimental Study 

 of the Behavior Agreement of the Animals of an Aquatic Community; Aller, W. C, The 

 Relations between Rheotaxis and Resistance to Potassium Cyanide in Isopoda. — Ver- 

 schiedenes: Philipps, E. F. and Demuth, George S., The reaction of the Honey Bee 

 to Changes in External Temperature ; Kepner, William H. and Taliaferro, William ET., 

 The Organs of Special Sence of Prorhynchus; Shelford, V. E., The experimental Modi- 

 fikation of Tiger Beetle Color Patterns by Variations of Temperature and Moisture dur- 

 ing Ontogeny; Hacmann, Mary T., Some Experiments on Regeneration in Thinodrilus 

 limostis; Rand, H. W. und Hunt, H. R., Will an Earthworm Regenerate Anterior Seg- 

 ments when the Enteric Epithelium is Absent from the cut Surface?; Perkins, H. F., 

 The Fly; Cole, L. S. und Davis, C. L., The Effect of Alcohol on the Male Germ Cells, 

 Studied by Means of Double Matings; Scott, John W., Some Negative Results Obtain- 

 ed From Experiments With Fowl Tapeworms; Okkelberg, Peter, Hermaphroditism in 

 the Brook Lamprey. 



In der Sitzung der New Orleans Academy of Science vom 17. Februar stellte 

 Irving Hardesty, Prof. der Anatomie an der Tulane üniversity, seine neue Theorie 

 des Hörens dar. Ferner sprach R. B. Beau, Tulane, über „The cartilagineous tip (Wool- 

 ner-Darwin) and the skin tip of the human ear u . 



Die National Academy of Science hielt am 21., 22. und 23. April ihre Jahresver- 

 sammlung ab; es trugen vor: John M. Coulter, The origin of Monocotyldony ; Charles 

 B. Davenport, Heredity of some emotional traits; W. H. Ho well, The causes of the 

 dotting of blood; P. J. Meltzer, The prompt distribution of Convulsants in cardiectomized 

 frogs deprived of their lymph. 



Die Botanical Society of America beschloß in ihrer Sitzung in Atlanta im Januar 

 dieses Jahres, eine Zeitschrift „American Journal of Botany" herauszugeben. 



