1. Comparative study by electrophysiology of olfactory responses in bumblebees (Bombus hypnorum andBombus terrestris)

   • Caroline Fonta
   • Claudine Masson

   OriginalPaper Pages: 1157 - 1168

2. Effects of ferulic acid and some of its microbial metabolic products on radicle growth of cucumber

   • Udo Blum
   • Barry R. Dalton
   • John O. Rawlings

   OriginalPaper Pages: 1169 - 1191

3. Sex pheromone source location by garter snakes:

   • Neil B. Ford
   • James R. Low Jr.

   OriginalPaper Pages: 1193 - 1199

4. Structure-activity relationships among aromatic analogs of trail-following pheromone of subterranean termites

   • Glenn D. Prestwich
   • Wai -Si Eng
   • David Wichern

   OriginalPaper Pages: 1201 - 1217

5. Interspecific variation of diterpene composition ofCubitermes soldier defense secretions

   • Glenn D. Prestwich

   OriginalPaper Pages: 1219 - 1231

6. (5Z,9Z)-3-alkyl-5-methylindolizidines fromSolenopsis (Diplorhoptrum) species

   • Tappey H. Jones
   • Robert J. Highet
   • Henry M. Fales

   OriginalPaper Pages: 1233 - 1249

7. Isolation and identification of cotton synomones mediating searching behavior by parasitoidCampoletis sonorensis

   • G. W. Elzen
   • H. J. Williams
   • S. B. Vinson

   OriginalPaper Pages: 1251 - 1264

8. ACaenorhabditis elegans dauer-inducing pheromone and an antagonistic component of the food supply

   • James W. Golden
   • Donald L. Riddle

   OriginalPaper Pages: 1265 - 1280

9. Experimental design and ecological realism

   • Brian A. Hazlett

   Letter to the Editor Pages: 1281 - 1282

10. Theory and practice in crayfish communication studies

    • James H. Thorp

    Letter to the Editor Pages: 1283 - 1287

11. Chemical communication in crayfish:

    • R. D. Rose

    Letter to the Editor Pages: 1289 - 1292

12. Errata

    Erratum Pages: 1293 - 1293