1. Segregation analysis of family data for 15 tests of cognitive ability

   • G. C. Ashton
   • J. J. Polovina
   • S. G. Vandenberg

   OriginalPaper Pages: 329 - 347

2. Genetic correlation between open-field activity and defecation: Analysis with the CXB recombinant-inbred strains

   • David A. Blizard
   • D. W. Bailey

   OriginalPaper Pages: 349 - 357

3. Preference for ethanol inDrosophila melanogaster associated with the alcohol dehydrogenase polymorphism

   • Douglas Cavener

   OriginalPaper Pages: 359 - 365

4. Intrafamilial invariance and parent-offspring resemblance in spatial abilities

   • Ruth Guttman
   • Ilana Shoham

   OriginalPaper Pages: 367 - 378

5. A note on the heritability of memory span

   • Arthur R. Jensen
   • Daniel Q. Marisi

   OriginalPaper Pages: 379 - 387

6. Recurrence risks in schizophrenia: Are they model dependent?

   • Lois A. Morton
   • Kenneth K. Kidd
   • Ruth L. Richards

   OriginalPaper Pages: 389 - 406

7. Oviposition site preference for substrate temperature inDrosophila melanogaster

   • J. C. Fogleman

   Short Communication Pages: 407 - 412

8. Central serotonergic function and behavior in the Maudsley Reactive and nonreactive strains: A reevaluation

   • D. A. Blizard
   • B. Liang

   Short Communication Pages: 413 - 418

9. Training in behavioral genetics: A survey of BGA members

   • Robert Plomin

   Short Communication Pages: 419 - 424

10. Inbreeding and mating patterns inDrosophila pseudoobscura

    • Jeffrey R. Powell
    • Lois Morton

    Short Communication Pages: 425 - 429

11. Note on descendants of the Tryon lines of rats

    • Gordon M. Harrington

    Letter to the Editor Pages: 431 - 433

12. Behavior Genetics Association abstracts

    • Organizers, Behavior Genetics Association abstracts

    Abstracts Pages: 435 - 487

13. Announcements

    Announcement Pages: 489 - 490