1. A move toward species-specific analyses in behavior genetics

   • D. D. Thiessen

   OriginalPaper Pages: 115 - 126

2. Assortative mating, or who marries whom?

   • Steven G. Vandenberg

   OriginalPaper Pages: 127 - 157

3. Genetic components and intellectual functioning during senescence: A 20-year study of aging twins

   • Lissy F. Jarvik
   • June E. Blum
   • Andre O. Varma

   OriginalPaper Pages: 159 - 171

4. Assortative mating in mice. I. Female mating preference

   • Joseph Yanai
   • Gerald E. McClearn

   OriginalPaper Pages: 173 - 183

5. Applications of a simplified triple-test cross

   • D. W. Fulker

   OriginalPaper Pages: 185 - 198

6. A diallel analysis of male mouse sex behavior

   • Jack R. Vale
   • Donald Ray

   OriginalPaper Pages: 199 - 209

7. Phenotypic and genetic relations between initial response to electric shock and rate of avoidance learning in mice

   • Douglas Wahlsten

   OriginalPaper Pages: 211 - 240

8. The multivariate analysis of certain genotype-environment interactions

   • L. J. Eaves

   Short Communication Pages: 241 - 244

9. Alcohol-preferring and alcohol-avoiding C57BL mice

   • Wayne Poley

   Short Communication Pages: 245 - 248

10. The effects of a companion on exploratory behavior in two strains of inbred laboratory mice

    • Edward C. Simmel
    • Deborra A. Walker

    Short Communication Pages: 249 - 254