1. Science Policy News

   • J. Tooze

   News 01 October 1991 Pages: 985 - 987

2. Genetic models in brain and behavior research. Part III

   • P. Driscoll

   Multi-Author Review 01 October 1991 Pages: 988 - 989

3. Genetic factors in neurotoxicology and neuropharmacology: A critical evaluation of the use of genetics as a research tool

   • M. F. W. Festing

   Multi-Author Review 01 October 1991 Pages: 990 - 998

4. Genetic and environmental influences on reactive and spontaneous locomotor activities in rats

   • C. Gentsch
   • M. Lichtsteiner
   • H. Feer

   Multi-Author Review 01 October 1991 Pages: 998 - 1008

5. Heritable variation for aggression as a reflection of individual coping strategies

   • R. F. Benus
   • B. Bohus
   • G. A. van Oortmerssen

   Multi-Author Review 01 October 1991 Pages: 1008 - 1019

6. The behavior of the homozygous and heterozygous sub-types of rats which are genetically-selected for diabetes insipidus: A comparison with Long Evans and Wistar stocks

   • C. Ambrogi Lorenzini
   • C. Bucherelli
   • G. Tassoni

   Multi-Author Review 01 October 1991 Pages: 1019 - 1026

7. Sexual maturation in female rats: Hereditary, developmental and environmental aspects

   • R. W. Rivest

   Multi-Author Review 01 October 1991 Pages: 1026 - 1038

8. Genetic determinants of individual differences in avoidance learning: Behavioral and endocrine characteristics

   • F. R. Brush

   Multi-Author Review 01 October 1991 Pages: 1039 - 1050

9. Stress and putative endogenous ligands for benzodiazepine receptors: The importance of characteristics of the aversive situation and of differential emotionality in experimental animals

   • A. Fernández-Teruel
   • R. M. Escorihuela
   • P. Driscoll

   Multi-Author Review 01 October 1991 Pages: 1051 - 1056

10. Intracellular proteases from the extremely thermophilic archaebacteriumSulfolobus solfataricus

    • P. Fusi
    • M. Villa
    • A. Guerritore

    Research Articles 01 October 1991 Pages: 1057 - 1060

11. Copper metabolism in the LEC rat: Involvement of induction of metallothionein and disposition of zinc and iron

    • N. Sugawara
    • C. Sugawara
    • M. Mori

    Research Articles 01 October 1991 Pages: 1060 - 1063

12. Reversible juvenile hormone inhibition of ecdysteroid and juvenile hormone synthesis by the ring gland ofDrosophila melanogaster

    • D. S. Richard
    • L. I. Gilbert

    Research Articles 01 October 1991 Pages: 1063 - 1066

13. Regulation of calcitonin release from the 6.23 rat C-cell line by cyclic nucleotide analogues and pharmacological mediators

    • J. -L. Gilgenkrantz
    • T. J. Hall
    • T. J. Chambers

    Research Articles 01 October 1991 Pages: 1067 - 1069

14. Cell size of mammalian myocardia is not related to physiological demand

    • N. Hamilton
    • M. L. Ashton
    • C. D. Ianuzzo

    Research Articles 01 October 1991 Pages: 1070 - 1072

15. Early-life undernutrition causes deficits in rat dentate gyrus granule cell number

    • K. S. Bedi

    Research Articles 01 October 1991 Pages: 1073 - 1074

16. Hymenaea protera sp.n. (Leguminosae, Caesalpinioideae) from Dominican amber has African affinities

    • G. O. Poinar Jr

    Research Articles 01 October 1991 Pages: 1075 - 1082

17. Chemical defense in the three European species ofCrematogaster ants

    • D. Daloze
    • M. Kaisin
    • J. M. Pasteels

    Research Articles 01 October 1991 Pages: 1082 - 1089

18. Flavonoid wing pigments in grasshoppers

    • T. L. Hopkins
    • S. A. Ahmad

    Research Articles 01 October 1991 Pages: 1089 - 1091

19. Announcements

    Announcement 01 October 1991 Pages: 1092 - 1092