1. Announcement

   • R. M. Silverstein
   • J. B. Simeone

   Announcement Pages: 1219 - 1219

2. Editor's note

   EditorialNotes Pages: 1221 - 1222

3. Higher plant terpenoids: A phytocentric overview of their ecological roles

   • Jean H. Langenheim

   OriginalPaper Pages: 1223 - 1280

4. Metabolic costs of terpenoid accumulation in higher plants

   • Jonathan Gershenzon

   OriginalPaper Pages: 1281 - 1328

5. Volatile herbivore-induced terpenoids in plant-mite interactions: Variation caused by biotic and abiotic factors

   • Junji Takabayashi
   • Marcel Dicke
   • Maarten A. Posthumus

   OriginalPaper Pages: 1329 - 1354

6. In search of allelopathy in the Florida scrub: The role of terpenoids

   • Nikolaus H. Fischer
   • G. Bruce Williamson
   • Donald R. Richardson

   OriginalPaper Pages: 1355 - 1380

7. Monoterpenes: Their effects on ecosystem nutrient cycling

   • Carleton S. White

   OriginalPaper Pages: 1381 - 1406