Seltenheit und Gefährdung —Populationsbiologische Grundlagen des Artenschutzes Bernhard SchmidDiethart Matthies OriginalPaper Pages: 283 - 292
Die Genetik der menschlichen Geschlechtsdetermination und ihre Störungen Andreas BraunUrsula KuhnleHartwig Cleve OriginalPaper Pages: 300 - 307
Influenza pandemics and sunspots — Easing the controversy S. Ertel Short Communications Pages: 308 - 311
The nature of the chemical bond in (CH3)3N-BCl3 and (CH3)3N-AlCl3 V. JonasG. Frenking Short Communications Pages: 311 - 313
Mandibular gland contents of a colony of the queenless ponerine antDinoponera australis N. J. OldhamS. J. KeegansJ. P. J. Billen Short Communications Pages: 313 - 316
Species-universal stimulus responses, modified through conditioning, reappear after telencephalic lesions in toads J. -P. EwertA. W. DingesT. Finkenstädt Short Communications Pages: 317 - 320
Hereditary sensorineural hearing loss in a bird O. GleichG. M. KlumpR. J. Dooling Short Communications Pages: 320 - 323