Seashore

Guberlet, Muriel L. Animals of the Seashore. 412 pp. Metropolitan Press. Portland, Oregon, 1936. Illustrations and descriptions of 198 species. A handy reference on the seashore.

Kirk, Ruth. The Olympic Seashore. 79 pp. The Olympic Natural History Assoc. Port Angeles, Wash., 1962. Guide to the human and natural history of the seashore of Olympic National Park, with maps and illustrations.

Ricketts, Edward F. and Calvin, Jack. Between Pacific Tides. 502 pp. Stanford Univ. Press. Palo Alto, Calif., 1952. An account of the habits and habitats of some 500 conspicuous seashore invertebrates.