Longevity among blowfliesPhormia terraenovae R.D. kept in non-24-hour light-dark cycles Ursula von Saint PaulJürgen Aschoff OriginalPaper Pages: 191 - 195
Internal and external coincidence and the apparent diversity of photoperiodic clocks in the insects D. S. Saunders OriginalPaper Pages: 197 - 207
Synchronization of a circadian rhythm in pinealectomized European starlings by daily injections of melatonin Eberhard GwinnerIngrid Benzinger OriginalPaper Pages: 209 - 213
Short-term rhythms in foraging behaviour of the common vole,Microtus arvalis Serge DaanSteven Slopsema OriginalPaper Pages: 215 - 227
Different oscillators control the circadian rhythm of eclosion and activity inDrosophila Wolfgang EngelmannJürgen Mack OriginalPaper Pages: 229 - 237
Pulses of darkness shift the phase of a circadian rhythm in an insectivorous bat Ramanujam SubbarajMaroli K. Chandrashekaran OriginalPaper Pages: 239 - 243
Ultrastructural localization of potassium and calcium in an insect ommatidium as demonstrated by X-ray microanalysis I. V. BurovinaF. G. GribakinA. D. Polyanovsky OriginalPaper Pages: 245 - 253
Hyperpolarizing and depolarizing mechanoreceptor potentials inStylonychia Jacques E. de PeyerHans Machemer OriginalPaper Pages: 255 - 266
The Jamming Avoidance Response inEigenmannia revisited: The structure of a neuronal democracy Walter HeiligenbergCurtis BakerJoanne Matsubara OriginalPaper Pages: 267 - 286