Chromosome 1: David Laurie, John Innes Centre, Norwich Research Park, Colney, Norwich NR4 7UH, United Kingdom. FAX: +44 603 502241.

Chromosome 2: Jerome D. Franckowiak, Department of Plant Sciences, North Dakota State University, P.O.Box 5051, Fargo, North Dakota, 58105-5051, USA. FAX: +1 701 231 8474.

Chromosome 3: Takeo Konishi, Institute of Genetic Resources, Faculty of Agriculture, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812, Japan. FAX: +81 92 632 1957.

Chromosome 4: Brian P. Forster, Cell and Molecular Genetics Department, Scottish Crop Research Institute, Invergowrie, Dundee, DD2 5DA, United Kingdom. FAX: +44 382 562426.

Chromosome 5: Jens Jensen, Plant Genetics Section, Environmental Science and Technology Department, Risø National Laboratory, DK-4000 Roskilde, Denmark. FAX: +45 46 323383.

Chromosome 6: Duane Falk, Department of Crop Science, University of Guelph, Guelph, Ontario, Canada, N1G 2W1. FAX: +1 519 763 8933.

Chromosome 7: George Fedak, Plant Research Centre, Central Experimental Farm, Building 50, Ottawa, Ontario K1A 0C6, Canada. FAX: +1 613 992 7909.

Barley Genetic Stock Center: An Hang and Darrell M. Wesenberg, USDA-ARS, National Small Grains Germplasm Research Facility, P.O.Box 307, Aberdeen, ID 83210, USA. FAX: +1 208 397 4165.

Trisomic and aneuploid stocks: An Hang, USDA-ARS, National Small Grains Germplasm Research Facility, P.O.Box 307, Aberdeen, ID 83210, USA. FAX: +1 208 397 4165.

Translocations and balanced tertiary trisomics: R.Tom Ramage, Department of Plant Science, University of Arizona, Tucson, Arizona 85721, USA. FAX: +1 602 670 5550 and
Gottfried Künzel, Institute of Plant Genetics and Crop Plant Research, Corrensstrasse 3, D-06466 Gatersleben, Germany. FAX: +49 39482 280

Desynaptic genes: R.Tom Ramage, Department of Plant Science, University of Arizona, Tucson, Arizona 85721, USA. FAX: +1 602 670 5550 and
Gottfried Künzel, Institute of Plant Genetics and Crop Plant Research, Corrensstrasse 3, D-06466 Gatersleben, Germany. FAX: +49 39482 280

Autotetraploids: Wolfgang Friedt, Institute of Crop Science and Plant Breeding, Justus-Liebig-University, Ludwigstrasse 23, D-35390 Giessen, Germany. FAX: +49 641 702 9749

Disease and pest resistance genes: Helms Jørgensen, Plant Genetics Section, Environmental Science and Technology Department, Risø National Laboratory, DK-4000 Roskilde, Denmark. FAX: +45 46 323383

Eceriferum genes: Udda Lundqvist, Svalöf Weibull AB, S-268 81 Svalöv, Sweden. FAX: +46 418 67109

Chloroplast genes: David Simpson, Department of Physiology, Carlsberg Research Laboratory, Gamle Carlsbergs Vej 10, DK-2500 Copenhagen-Valby, Denmark. FAX: +45 33 274766.

Genetic male sterile genes: Mario C. Therrien, Agriculture and Agri-Food Canada, P.O. Box 1000A, R.R. #3., Brandon, Manitoba, Canada R7A 5Y3, FAX: +1 204 728 3858

Inversions: Bengt-Olle Bengtsson, Institute of Genetics, University of Lund, Sölvegatan 29,
S-223 62 Lund, Sweden. FAX: +46 46 147874

Anthocyanin genes: Barbro Jende-Strid, Department of Physiology, Carlsberg Research Laboratory, Gamle Carlsberg Vej 10, DK-2500 Copenhagen-Valby, Denmark. FAX: +45 33 274741.

Ear morphology genes: Udda Lundqvist, Svalöf Weibull AB, S-268 81 Svalöv, Sweden. FAX: +46 418 67109 and
Arne Hagberg, Department of Plant Breeding Research, The Swedish University of Agricultural Sciences, S-268 31 Svalöv, Sweden. FAX: +46 418 67081

Semi-dwarf genes: Jerome D. Franckowiak, Department of Plant Sciences, North Dakota State University, P.O. Box 5051, Fargo, North Dakota, 58105-5051, USA. FAX: +1 701 231 8474

Earliness genes: Udda Lundqvist, Svalöf Weibull AB, S-268 81 Svalöv, Sweden. FAX: +46 418 67109.

Chromosome duplications: Arne Hagberg, Department of Plant Breeding Research, The Swedish University of Agricultural Sciences, S-268 31 Svalöv, Sweden. FAX: +46 418 67081

Monoclonal antibodies: Steven E. Ullrich, Department of Crop and Soil Sciences, Washington State University, Pullman, Washington 99164-6420, USA. FAX: +1 509 335 8674

Biochemical mutants - Including lysine, hordein and nitrate reductase: Andy Kleinhofs, Department of Crop and Soil Sciences, Genetics and Cell Biology, Washington State University, Pullman, Washington, 99164-6420, USA. FAX: +1 509 335 8674

Barley-wheat genetic stocks: A.K.M.R. Islam, Department of Plant Science, Waite Agricultural Research Institute, The University of Adelaide, Glen Osmond, S.A. 5064, Australia. FAX: +61 8 303 7109.