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PACIFIC SCIENCE, Vol. XV, July 1961 
Erythrotrichia tetraseriata Gardner 
Dawson, 1954 
San Pedro, Calif.; Isla Magdalena, Baja Calif. 
Erythrotrichia welwitschii ( Ruprecht ) Batters 
Doty, 1947 
South Bay, Oreg.; Monterey, Calif. 
Erythrocladia ectozoica Dawson 
Dawson, 1954 
Scammon Lagoon, Baja Calif. 
Erythrocladia irregularis Rosenvinge 
Dawson, 1954; Scagel, 1957 
Northern Wash, to Monterey, Calif.; Isla 
Turner, Gulf of Calif. 
Erythrocladia suhintegra Rosenvinge 
Dawson, 1954; Scagel, 1957 
Northern Wash, to northern Baja Calif.; Gulf 
of Calif. 
fam. BANGIACEAE 
Bangia enteromorphoides Dawson 
Dawson, 1954 
Mazatlan, Sinaloa 
Bangia f us copurpurea (Dillwyn) Lyngbye 
Dawson, 1954, 1959c; Scagel, 1957 
Northern British Columbia to Costa Rica 
Bangia maxima Gardner 
Gardner, 1927 
Bolinas, Calif. 
Bangia tenuis Gardner 
Scagel, 1957 
Orcas I, Wash. 
Bangia vermicularis Harvey 
Sanborn & Doty, 1946; Doty, 1947 
Coos Bay, Oreg., to Carmel, Calif. 
Porphyra abyssicola Kjellman 
Scagel, 1957 
Southern British Columbia to northern Wash. 
Porphyra amplissima (Kjellman) Setchell & Hus 
Scagel, 1957 
Amaknak I., Alaska, to northern Wash. 
Porphyra hollenbergii Dawson 
Dawson, 1954, 1959 
Southern Gulf of Calif. 
Porphyra laciniata ( Lightfoot ) C. Agardh 
Setchell & Gardner, 1903 
Amaknak I. to Sitka, Alaska 
Porphyra lanceolata (Setchell & Hus) G. M. 
Smith 
Scagel, 1957 
Chehalis Bay, Wash, to Carmel, Calif. 
Porphyra miniata f. cuneiformis Setchell & Hus 
Scagel, 1957 
Gulf of Alaska to Monterey, Calif. 
Porphyra nereocystis Anderson 
Scagel, 1957 
Uyak Bay, Alaska, to San Pedro, Calif.? (prob- 
ably to San Luis Obispo Co. ) 
Porphyra occidentalis Setchell & Hus 
Sanborn & Doty, 1946; Doty, 1947 
Coos Bay, Oreg.; Carmel Bay, Calif. 
Porphyra pendula Dawson 
Dawson, 1954 
Isla Partida; Isla Patos, Gulf of Calif. 
Porphyra perforata J. Agardh f. perforata 
Okamura, 1933; Dawson, 1954, 1959c; Scagel, 
1957 
Aleutian Islands, Alaska, to Isla Magdalena, 
Baja Calif. 
Porphyra perforata f. segregata Setchell & Hus 
Scagel, 1957 
Southern British Columbia to northern Calif. 
Porphyra pulchra Hollenberg 
Smith, 1944 
Santa Cruz to Monterey, Calif. 
