Is the period of the circadian oscillator in the eye ofAplysia directly homeostatically regulated? John C. WoolumFelix Strumwasser OriginalPaper Pages: 253 - 259
Identified nonspiking local interneurons mediate nonrecurrent, lateral inhibition of crayfish mechanosensory interneurons Heinrich ReichertMark R. PlummerJeffrey J. Wine OriginalPaper Pages: 261 - 276
Owl eyes: Accommodation, corneal curvature and refractive state C. J. MurphyH. C. Howland OriginalPaper Pages: 277 - 284
Structural organization of the ommatidium in the ventral compound eye of the dragonflySympetrum Christine Armett-KibelI. A. Meinertzhagen OriginalPaper Pages: 285 - 294
The identification of spectral receptor types in the retina and lamina of the dragonflySympetrum rubicundulum I. A. MeinertzhagenR. MenzelG. Kahle OriginalPaper Pages: 295 - 310
Topographical localization of function in the cardiac ganglion of the crab,Portunus sanguinolentus Kenro TazakiIan M. Cooke OriginalPaper Pages: 311 - 328
Separation of neuronal sites of driver potential and impulse generation by ligaturing in the cardiac ganglion of the lobster,Homarus americanus Kenro TazakiIan M. Cooke OriginalPaper Pages: 329 - 346
Cone systems in the rabbit retina revealed by ERG-null-detection J. F. W. NuboerW. M. van NuysJ. F. Wortel OriginalPaper Pages: 347 - 352
Increment-threshold spectral sensitivity in the rabbit J. F. W. NuboerP. J. Moed OriginalPaper Pages: 353 - 358
Colour changes in a light regimen as synchronizers of circadian activity J. F. W. NuboerW. M. van NuysJ. C. van Steenbergen OriginalPaper Pages: 359 - 366
Image quality and acceptance angle in a reflecting superposition eye Kim P. BrycesonPeter McIntyre OriginalPaper Pages: 367 - 380
Afferent and efferent components ofOctopus retina John A. PattersonSusan C. Silver OriginalPaper Pages: 381 - 387
Central projections of primary auditory fibres in Tettigoniidae (Orthoptera: Ensifera) B. P. Oldfield OriginalPaper Pages: 389 - 395