The Editor, Occasional Papers
Tulane University Museum of Natural History
Belle Chasse, LA 70037
1. The humbpack chub, Gila cypha, in the Grand Canyon area of the Colorado River. Royal D. Suttkus and Glenn H. Clemmer, November 1977, 30 pp. $3.00
2. Mammals of the riparian region of the Colorado River in the Grand Canyon area of Arizona. Royal D. Suttkus, Glenn H. Clemmer, and Clyde Jones, September 1978, 23 pp. $3.00
3. Distributional checklist of the mammals along the Colorado River in the Grand Canyon. Clyde Jones, Glenn H. Clemmer, Royal D. Suttkus and Richard D. Curnow, November 1982, 15 pp. $3.00
4. Two new darters, Percina (Cottogaster), from the southeastern United States, with a review of the subgenus. Royal D. Suttkus, Bruce A. Thompson and Henry L. Bart, Jr., December 1994, 46 pp. $5.00