1. Departments of Physiology & Biophysics (C.C.C., J.E.T., R.A.S.) Oberlin College, Oberlin, Ohio 77074
2. Seattle, Washington 98195-6460 and Neuroscience Program and Department of Biology (J.E.T.), Oberlin College, Oberlin, Ohio 77074
3. University of Washington, and Zymogenetics, Inc. (J.K.L., D.S.W.) Oberlin College, Oberlin, Ohio 77074
4. Departments of Medicine (D.S.W.) Oberlin College, Oberlin, Ohio 77074
5. Departments of Obstetrics & Gynecology, Box 356460 (R.A.S., D.K.C.) Oberlin College, Oberlin, Ohio 77074
6. Departments of Zoology (R.A.S.) Oberlin College, Oberlin, Ohio 77074