1. Downing S. W. observations reported at the 93rd Annual Session of the American Association of Anatomists. Omaha. Nebr.. 30 April (1980).
2. Blackstad, T. W., The Biology of Myxine: 195 (1963).
3. DOWNING, S.W., DNA-SYNTHESIS IN EPIDERMAL CELLS OF HAGFISH EPTATRETUS-STOUTII, ANATOMICAL RECORD 175: 309 (1973).
4. DOWNING, S.W., HAGFISH EPIDERMAL TISSUE - A POTENTIAL MODEL SYSTEM FOR THE STUDY OF SECRETORY-CELLS AND SECRETORY-CELL PRODUCTS, ANATOMICAL RECORD 193: 526 (1979).
5. DOWNING, S.W., SECRETORY SYSTEM OF PACIFIC HAGFISH (EPTATRETUS-STOUTII) - UPTAKE OF RADIOLABELED MONOSACCHARIDES AND AMINO-ACIDS, FEDERATION PROCEEDINGS 36: 1239 (1977).