Stable daily light regimens as inductive factors of endogenous testicular cycles in the European starling,Sturnus vulgaris R. G. SchwabJ. T. Rutledge OriginalPaper Pages: 219 - 231
Circadian activity of the red squirrel,Tamiasciurus hudsonicus, in continuous darkness and continuous illumination K. R. Kramm OriginalPaper Pages: 232 - 245
The influence of environmental lighting on the amphibian pars intermedia: Receptors and possible pathways D. C. Dawson OriginalPaper Pages: 246 - 254
Effect of photoperiods on feed intake rhythms of domestic fowl P. D. BallardH. V. Biellier OriginalPaper Pages: 255 - 266
Melatonin excretion of man and rats: Effect of time of day, sleep, pinealectomy and food consumption H. J. LynchY. OzakiR. J. Wurtman OriginalPaper Pages: 267 - 279
Light and the pineal gland in the control of the breeding season in the female ferret J. HerbertP. A. ThorpeM. Klinowska OriginalPaper Pages: 280 - 281
Continuous light and physiology of arctic birds and mammals L. S. Underwood OriginalPaper Pages: 304 - 310