1. Regeneration and biosynthesis of dytiscid defensive agents (Coleoptera: Dytiscidae)

   • Howard W. Fescemyer
   • Ralph O. Mumma

   OriginalPaper Pages: 1449 - 1464

2. Mandibular glands of stingless bees (Hymenoptera: Apidae): Chemical analysis of their contents and biological function in two species ofMelipona

   • B. H. Smith
   • D. W. Roubik

   OriginalPaper Pages: 1465 - 1472

3. Mushroom chemical defense: Food aversion learning induced by hallucinogenic toxin, muscimol

   • Scott Camazine

   OriginalPaper Pages: 1473 - 1481

4. Densitometric thin-layer chromatographic analyses of cholesterol inSchistosoma mansoni (Trematoda) adults and their excretory-secretory products

   • Bernard Fried
   • Frank J. Shenko
   • L. K. Eveland

   OriginalPaper Pages: 1483 - 1489

5. Insect sex pheromones: Determination of half-lives from formulations by collection of emitted vapor

   • L. M. McDonough
   • L. I. Butler

   OriginalPaper Pages: 1491 - 1502

6. Canid sex attractant studies

   • Sheila McKenna Kruse
   • Walter E. Howard

   OriginalPaper Pages: 1503 - 1510

7. Announcement

   Announcement Pages: 1511 - 1511