1. Abe, Y. 1969. Systematics and biology of the two species of embiotocid fishes referred to the genus Ditrema in Japan. Jap. J. Ichthyol. 15: 105?121.
2. Anderson, R.D. & C.F. Bryan. 1970. Age and growth of three surfperches (Embiotocidae) from Humboldt Bay, California. Trans. Amer. Fish. Soc. 99: 475?482.
3. Baltz, D.M. 1980. Age-specific reproductive tactics and reproductive effort in the tule perch (Hysterocarpus traski). Ph.D. Dissertation, University of California, Davis. 85 pp.
4. Baltz, D.M. & E.E. Knight. 1983. Age, growth, and reproductive characteristics and seasonal depth distribution of the spotfin surfperch, Hyperprosopon anale. Calif. Fish. Game (in press).
5. Baltz, D.M. & E.J. Loudenslager. 1983. Electrophoretic variation among tale perch (Hysterocarpus traski) subspecies. Copeia (in press).