Feeding behavior of the medicinal leech,Hirudo medicinalis L. Michael H. DickinsonCharles M. Lent OriginalPaper Pages: 449 - 455
Serotonin integrates the feeding behavior of the medicinal leech Charles M. LentMichael H. Dickinson OriginalPaper Pages: 457 - 471
Oscillatory command input to the motor pattern generators of the crustacean stomatogastric ganglion Robert M. RobertsonMaurice Moulins OriginalPaper Pages: 473 - 491
The interaction of edge-fixation and negative phototaxis in the orientation of walking gypsy moths,Lymantria dispar R. PreissE. Kramer OriginalPaper Pages: 493 - 498
Functional characteristics of local non-spiking interneurons as the pre-motor elements in crayfish Toshiki NagayamaMasakazu TakahataMituhiko Hisada OriginalPaper Pages: 499 - 510
Substrate slope and orientation in a land hermit crab,Coenobita clypeatus (Decapoda, Coenobitidae) D. W. DunhamH. Schöne OriginalPaper Pages: 511 - 513
The resolving power of diurnal superposition eyes measured with an ophthalmoscope M. F. Land OriginalPaper Pages: 515 - 533
Renewal of visual pigment in photoreceptors of the blowfly Joachim Schwemer OriginalPaper Pages: 535 - 547
Light-inducedtrans-cis isomerization of retinal by a protein from honeybee retina J. SchwemerI. M. PepeC. Cugnoli OriginalPaper Pages: 549 - 554
On the invariance of visual stimulus efficacy with respect to variable spatial positions Eberhard HornAndrea Knapp OriginalPaper Pages: 555 - 567
Current source-density analysis in the mushroom bodies of the honeybee (Apis mellifera carnica) P. KaulenJ. ErberP. Mobbs OriginalPaper Pages: 569 - 582
Induction of rapid testicular growth in Japanese quail by phasic electrical stimulation of the hypothalamic photosensitive area Mitsuaki OhtaMasaru WadaKazutaka Homma OriginalPaper Pages: 583 - 589
Ipsdienol-specific receptor cells in bark beetles: structure-activity relationships of various analogues and of deuterium-labelled ipsdienol H. MustapartaB. Å. TømmeråsG. Ohloff OriginalPaper Pages: 591 - 595
Electrophysiological measurement of photoreceptor membrane dichroism and polarization sensitivity in a Grapsid crab F. E. Doujak OriginalPaper Pages: 597 - 605