410 
PACIFIC SCIENCE, Vol. XV, July 1961 
Pterocladia caloglossoides (Howe) Dawson 
Dawson, 1954; Dawson, Neushul & Wild- 
man, 1960$; Doty, 1947 (as Gelidium 
caloglossoides ); Smith, 1944 (as Gelidium 
caloglossoides ) 
Or eg. ?; Monterey Peninsula, Calif. ?; South- 
ern Calif, to Isla Asuncion, Baja Calif.; 
Barra de Navidad, Jalisco 
Pterocladia complanata Loomis 
Dawson, 1954 
Anaheim Landing, Calif.; Punta Descanso; 
Punta Eugenio, Baja Calif. 
Pterocladia media Dawson 
Dawson, 1958 
La Jolla, Calif. 
Pterocladia mcnabbiana Dawson 
Dawson, 1957& 
Golfo Dulce, Costa Rica 
Pterocladia musciformis Taylor 
Dawson, 1957^, 1960$ 
Bahia Carrizal, Colima; Golfo Dulce, Costa 
Rica 
Pterocladia parva Dawson 
Dawson, 1954 
San Felipe, Gulf of Calif. 
Pterocladia pyramidale (Gardner) Dawson 
Dawson, 1954, 1954c, 1957, 1959 (as prob- 
ably including Gelidium decomp ositum ) , 
1959c; Dawson, Neushul & Wildman, 
I960 
Southern Calif, to Isla Magdalena, Baja Calif.; 
Isla Guadalupe; Rocas Alijos; Revillagi- 
gedo Arch.; central Gulf of Calif.; Gala- 
pagos Arch.; vicinity of Guayas, Ecuador 
Gelidiocolax microsphaerica Gardner 
Dawson, 1954; Fan & Papenfuss, 1959 
Balboa, Calif.; Punta Descanso; Isla San Mar- 
tin, Baja Calif. 
fam. GELIDIELLACEAE 
Gelidiella acerosa (Forsskal) Feldmann & 
Hamel 
Dawson, 1954 
Southern Gulf of Calif, to Central America 
Gelidiella adnata Dawson 
Dawson, 1954c 
Isla San Benedicto, Revillagigedo Arch. 
Gelidiella banco ckii Dawson 
Dawson, 1954, 1959; 1960$ 
Bahia Magdalena, Baja Calif.; Gulf of Calif.; 
Isla del Cano, Costa Rica; Isla del Rey, 
Panama 
Gelidiella liguiula Dawson 
Dawson, 1954 
Southeasternmost Baja Calif. 
Gelidiella machrisiana Dawson 
Dawson, 1957^ 
Golfo de Nicoya, Costa Rica 
Gelidiella ? refugiensis Dawson 
Dawson, 1954 
Isla Angel de la Guarda; Bahia San Carlos ?, 
Gulf of Calif. 
Gelidiella stichidiospora Dawson 
Dawson, 1954 
Isla Cedros, Baja Calif. 
Gelidiella pannosa (Feldmann) Feldmann & 
Hamel 
Dawson, 1957^ (as G. tenuis sima) 
Costa Rica 
OF UNCERTAIN FAMILY POSITION 
W 'urdemannia miniata (Drapamaud) Feldmann 
& Hamel 
Dawson, 1954, 1957^ 
Puerto San Carlos, Gulf of Calif, to Panama 
