1. Tactile learning and the individual evaluation of the reward in honey bees (Apis mellifera L.)

   • R. Scheiner
   • J. Erber
   • R. E. Page Jr.

   ORIGINAL PAPER Pages: 1 - 10

2. Identification of an abdominal ganglion neuron antagonizing L7-driven gill contraction in Aplysia

   • M. Kurokawa
   • K. Kuwasawa
   • S. Matsumura

   ORIGINAL PAPER Pages: 11 - 19

3. Sensorimotor pathways processing vibratory signals from the femoral chordotonal organ of the stick insect

   • A. E. Sauer
   • W. Stein

   ORIGINAL PAPER Pages: 21 - 31

4. A quantitative analysis of behavioral selectivity for pulse rise-time in the gray treefrog, Hyla versicolor

   • H. C. Gerhardt
   • J. Schul

   ORIGINAL PAPER Pages: 33 - 40

5. Flow visualisation and high speed video analysis of water jets in the snapping shrimp (Alpheus heterochaelis)

   • J. Herberholz
   • B. Schmitz

   ORIGINAL PAPER Pages: 41 - 49

6. ι-Crystallin and vitamin A2 isomers in lenses of diurnal geckos

   • B. Röll
   • J. Schwemer

   ORIGINAL PAPER Pages: 51 - 58

7. Host-odour recognition in two tick species is coded in a blend of vertebrate volatiles

   • J. Osterkamp
   • U. Wahl
   • W. Haas

   ORIGINAL PAPER Pages: 59 - 67

8. Single cell responses from the optic tectum of the zebra finch (Taeniopygia guttata castanotis Gould)

   • A. Schmidt
   • J. Engelage
   • H.-J. Bischof

   ORIGINAL PAPER Pages: 69 - 79

9. Isolated chick sclera shows a circadian rhythm in proteoglycan synthesis perhaps associated with the rhythm in ocular elongation

   • D. L. Nickla
   • J. A. Rada
   • J. Wallman

   ORIGINAL PAPER Pages: 81 - 90

10. Fundamental differences in the optical structure of the eyes of nocturnal and diurnal mosquitoes

    • M. F. Land
    • G. Gibson
    • J. Zeil

    ORIGINAL PAPER Pages: 91 - 103

11. Pattern vision of the honeybee (Apis mellifera): the effect of pattern on the discrimination of location

    • G. A. Horridge

    ORIGINAL PAPER Pages: 105 - 113