1. Evaluating activity and emotional reactivity in a hexagonal tunnel maze: Correlational and factorial analysis from a study with the Roman/Verh rat lines

   • A. Fernández-Teruel
   • R. M. Escorihuela
   • K. Bättig

   OriginalPaper Pages: 419 - 425

2. Biometrical analysis of larval digging behavior inDrosophila melanogaster

   • Raúl Godoy-Herrera

   OriginalPaper Pages: 427 - 432

3. Genetics of a nonoptimal behavior: Oviposition preference ofDrosophila mauritiana for a toxic resource

   • B. Moreteau
   • S. R'Kha
   • J. R. David

   OriginalPaper Pages: 433 - 441

4. Locating human quantitative trait loci: Guidelines for the selection of sibling pairs for genotyping

   • Lindon Eaves
   • Joanne Meyer

   OriginalPaper Pages: 443 - 455

5. A simple method for censored age-of-onset data subject to recall bias: Mothers' reports of age of puberty in male twins

   • Andrew Pickles
   • Mike Neale
   • Lindon Eaves

   OriginalPaper Pages: 457 - 468

6. Type A personality in Australian twins

   • David L. Duffy
   • Vijaya Manicavasagar
   • Pauline Langelludecke

   OriginalPaper Pages: 469 - 475

7. Book review

   • Hans-Peter Lipp

   BookReview Pages: 477 - 479