1. Foreword

   • Tim Tully

   Special Issue: Molecular ethology Pages: 167 - 168

2. The behavioral genetics ofCaenorhabditis elegans

   • Eve Wolinsky
   • Jeffrey Way

   Articles Pages: 169 - 189

3. The molecular ethology of theperiod gene inDrosophila

   • Charalambos P. Kyriacou

   Articles Pages: 191 - 211

4. The dysmyelinating mouse mutations shiverer (shi) and myelin deficient (shi ^mld )

   • Carol Readhead
   • Leroy Hood

   Articles Pages: 213 - 234

5. The role of genetic factors in the etiology of the affective disorders

   • Stephen Hodgkinson
   • Michael J. Mullan
   • Hugh M. D. Gurling

   Articles Pages: 235 - 250

6. Molecular aspects of egg-laying behavior inAplysia californica

   • Luc DesGroseillers

   Articles Pages: 251 - 264

7. Change in cohabitation and intrapair similarity of monozygotic (MZ) cotwins for alcohol use, extraversion, and neuroticism

   • Jaakko Kaprio
   • Markku Koskenvuo
   • Richard J. Rose

   Regular Articles Pages: 265 - 276

8. Who discovered the twin method?

   • Richard D. Rende
   • Robert Plomin
   • Steven G. Vandenberg

   Regular Articles Pages: 277 - 285

9. The analysis of assortative mating: A LISREL model

   • Michael C. Neale
   • J. J. McArdle

   Regular Articles Pages: 287 - 296

10. The use of a sociobiological questionnaire (SQ) for the assessment of sexual dimorphism

    • Del Thiessen
    • Marilyn Ross

    Regular Articles Pages: 297 - 305

11. Mapping of two genes that influence susceptibility to audiogenic seizures in crosses of C57BL/6J and DBA/2J mice

    • Paul E. Neumann
    • Thomas N. Seyfried

    Regular Articles Pages: 307 - 323

12. Selection for increased pheromone response in the male pink bollworm,Pectinophora gossypiella (lepidoptera: Gelechiidae)

    • R. D. Collins
    • R. T. Cardé

    Regular Articles Pages: 325 - 331

13. Inbred strain differences in morphine-induced analgesia with the hot plate assay: A reassessment

    • J. K. Belknap
    • M. Lamé
    • P. W. Danielson

    Regular Articles Pages: 333 - 338

14. Spectral analysis of courtship songs in behavioralmutants ofDrosophila melanogaster

    • David A. Wheeler
    • Shankar J. Kulkarni
    • Jeffrey C. Hall

    Erratum Pages: 339 - 339