The pigment system of the photoreceptor 7 yellow in the fly, a complex photoreceptor K. KirschfeldR. HardieK. Vogt OriginalPaper Pages: 421 - 433
First neurophysiological approach to the retino-tectal projections inDiscoglossus pictus (Anura) F. GaillardR. GarciaH. Roussel OriginalPaper Pages: 435 - 441
A quantitative analysis of ipsilateral tectal unit responses to moving stimuli in frogs R. GarciaF. GaillardJ. -C. Jacquenod OriginalPaper Pages: 443 - 451
Orientation of the sandhopperTalitrus saltator (Amphipoda, Talitridae) living on dynamic sandy shores A. UgoliniF. Scapini OriginalPaper Pages: 453 - 462
The visual pigments of crabs Richard B. Forward Jr.Thomas W. CroninJohn K. Douglass OriginalPaper Pages: 479 - 490
Constraints on the coding of sound frequency imposed by the avian interaural canal Michael B. Calford OriginalPaper Pages: 491 - 502
Avian interaural canal enhances interaural delay Michael B. CalfordRobert W. Piddington OriginalPaper Pages: 503 - 510
Identification of the teleost Edinger-Westphal nucleus by retrograde horseradish peroxidase labeling and by electrophysiological criteria John C. Wathey OriginalPaper Pages: 511 - 524
Mechanisms controlling vocalization-evoked stapedius muscle activity in chickens (Gallus gallus) Silvarosa GrassiFranco MagniFabrizio Ottaviani OriginalPaper Pages: 525 - 532
Multimodal inhibitory innervation of the gill ofAplysia Juliana Makoto KurokawaKiyoaki Kuwasawa OriginalPaper Pages: 533 - 541
Visual pigments in the individual rods of deep-sea fishes J. C. PartridgeS. N. ArcherJ. N. Lythgoe OriginalPaper Pages: 543 - 550
Magnetic fields inhibit opioid-mediated ‘analgesic’ behaviours of the terrestrial snail,Cepaea nemoralis Martin KavaliersKlaus-Peter Ossenkopp OriginalPaper Pages: 551 - 558
Masking of circadian activity rhythms in hamsters by darkness Jürgen AschoffChristiana von Goetz OriginalPaper Pages: 559 - 562