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PACIFIC SCIENCE, Vol. XV, July 1961 
Lithophyllum complexum Lemoine 
Taylor, 1945 
Galapagos Arch. 
Lithophyllum decipiens Foslie 
Scagel, 1957; Dawson, 1957 b, 1959c, I960 
Northern British Columbia to Guaymas, So- 
nora; Revillagigedo Arch.; Costa Rica ?; 
Islas Perlas, Panama 
Lithophyllum sp. aff. L. detrusum Foslie 
Dawson, I960 
Isla Cedros, Baja Calif. 
Lithophyllum diguetii (Hariot) Heydrich 
Dawson, I960 
Isla Angel de la Guarda; vicinity of La Paz, 
Gulf of Calif. 
Lithophyllum (?) divaricatum Lemoine 
Taylor, 1945; Dawson, I960 
Galapagos Arch. 
Lithophyllum farlowii Heydrich 
Taylor, 1945 
Galapagos Arch. 
Lithophyllum (?) fetum Foslie 
Lemoine, 1929 
Isla Cocos, Costa Rica 
Lithophyllum frutescens (Foslie) Lemoine f. 
frutescens 
Taylor, 1945 (possibly the Lithothamnium 
calcar eum of Harvey, 1847 ) 
Galapagos Arch. 
Lithophyllum frutescens f. galapagense Foslie 
Taylor, 1945 
Galapagos Arch. 
Lithophyllum grumosum (Foslie) Foslie 
Smith, 1944; Doty, 1947; Dawson, I960 
Capa Arago, Oreg. ?, to Bahia Vizcaino, Baja 
Calif.; Isla San Benedicto, Revillagigedo 
Arch. 
Lithophyllum hancockii Dawson 
Dawson, I960 
Isla Espiritu Santo, Gulf of Calif. 
Lithophyllum imitans Foslie 
Dawson, I960; Dawson, Neushul & Wild- 
man, I960 
Moss Beach, Calif., to central Baja Calif.; Gulf 
of Calif.; Revillagigedo Arch.; Puerto Gua- 
tulco, Oaxaca 
Lithophyllum intermedium Foslie 
Taylor, 1945 
Galapagos Arch. 
Lithophyllum lichenare L. Mason 
Scagel, 1957; Dawson, I960 
Kanaka Bay, Wash.; Farnsworth Bank, so. 
Calif.; Punta Banda, Baja Calif. 
Lithophyllum lithophylloides Heydrich 
Dawson, I960 
Gulf of Calif.; Isla Clarion, Revillagigedo 
Arch. 
Lithophyllum (?) lividum Lemoine 
Lemoine, 1929 
Isla Cocos, Costa Rica 
Lithophyllum margaritae ( Hariot ) Heydrich 
Dawson, I960 
Vicinity of La Paz, Gulf of Calif. 
Lithophyllum moluccense var. gemino stratum 
Taylor 
Taylor, 1945 
Galapagos Arch. 
Lithophyllum neofarlowii Setchell & L. Mason 
Scagel, 1957; Dawson, I960 
San Juan Islands, Wash., to Cambria, Calif.; 
Bahia Asuncion, Baja Calif. 
Lithophyllum pallescens ( Foslie ) Heydrich 
Dawson, I960 
Southern Gulf of Calif.; Islas Contreras, Pa- 
nama 
Lithophyllum proboscidium Foslie var. probos- 
cidium 
Dawson, I960 
Bodega Bay, Calif., to Punta Santa Rosalia, 
Baja Calif.; vicinity of Guaymas, Sonora; 
Barra de Navidad, Jalisco; Acapulco, Guer- 
rero 
