1. Obituary

   • John Hewitt

   Legacy Pages: 239 - 241

2. Genetic “Clocks” and “Soft” Events: A Twin Model for Pubertal Development and Other Recalled Sequences of Developmental Milestones, Transitions, or Ages at Onset

   • Andrew Pickles
   • Kevin Pickering
   • Hermine Maes

   OriginalPaper Pages: 243 - 253

3. Multivariate Path Analysis of Specific Cognitive Abilities Data at 12 Years of Age in the Colorado Adoption Project

   • Maricela Alarcón
   • R. Plomin
   • J. C. DeFries

   OriginalPaper Pages: 255 - 264

4. Genetic and Shared Environmental Influences on Adolescent BMI: Interactions with Race and Sex

   • Kristen C. Jacobson
   • David C. Rowe

   OriginalPaper Pages: 265 - 278

5. Univariate and Multivariate Genetic Analysis of Subcutaneous Fatness and Fat Distribution in Early Adolescence

   • Gaston Beunen
   • Hermine H. Maes
   • Catherine Derom

   OriginalPaper Pages: 279 - 288

6. Sleeptalking in Twins: Epidemiology and Psychiatric Comorbidity

   • Christer Hublin
   • Jaakko Kaprio
   • Markku Koskenvuo

   OriginalPaper Pages: 289 - 298

7. Differential Roles of Cerebellar Cortex and Deep Cerebellar Nuclei in Learning and Retention of a Spatial Task: Studies in Intact and Cerebellectomized Lurcher Mutant Mice

   • P. Hilber
   • F. Jouen
   • J. Caston

   OriginalPaper Pages: 299 - 308

8. Immobility Responses in Lurcher Mutant Mice

   • Robert Lalonde

   OriginalPaper Pages: 309 - 314

9. Genetic and Developmental Influences on Infant Mouse Ultrasonic Calling. II. Developmental Patterns in the Calls of Mice 2–12 Days of Age

   • Martin E. Hahn
   • Laura Karkowski
   • Evelyn M. Hahn

   OriginalPaper Pages: 315 - 325

10. Announcement

    Announcement Pages: 327 - 327