PART 1 GARTH '. PACIFIC OXYRHYNCHA 23 



to Angel de la Guarda Island, and south to Cabeza Ballena, thence south 

 to Santa Elena Bay, Ecuador. 



Maiopsis panamensis Faxon. From Bay of Panama north and west to 

 Clarion Island, Mexico. 



Ala cornuta (Stimpson). Gulf of California: from Tepoca Bay, 

 Sonora, north to Cholla Bay, Sonora; from Perlas Islands, Panama, 

 south to Utria Bay, Colombia [Askoy]. 



Mithrax (Mithrax) tuberculatus Stimpson. Gulf of California: from 

 Arena Bank north to Carmen Island ; from Panama south to La Liber- 

 tad, Ecuador. 



Mithrax (Mithrax) armatus Saussure. From Mazatlan north to 

 Los Frailes, Gulf of California. 



Mithrax (Mithrax) sinensis Rathbun. Gulf of California: from San 

 Esteban Island north to Angel de la Guarda Island, and south to Esmer- 

 aldas, Ecuador [Askoy], and La Plata Island, Ecuador. 



Mithrax (Mithrax) pygmaeus Bell. From Port Parker, Costa Rica, 

 north to Socorro Island and Isabel Island, Mexico, and from Perlas 

 Islands, Panama, south to Esmeraldas, Ecuador [Askoy], and La Plata 

 Island, Ecuador. 



Mithrax (Mithrax) spinipes (Bell). Gulf of California: from San 

 Jose Island north to Agua Verde Bay. Nuez Island, Cocos Island, Costa 

 Rica. 



Mithrax (Mithraculus) denticulatus Bell. Gulf of California: from 

 Coronados Island north to San Francisquito Bay; from Arena Bank 

 south to Cabeza Ballena; from Chamela Bay north to Isabel Island, 

 Mexico. 



Teleophrys cristulipes Stimpson. Lower California: from Cape San 

 Lucas north to Santa Maria Bay ; Gulf of California : from El Mogote 

 north to Agua Verde Bay. From Gorgona Island, Colombia, south to 

 Manta Bay and La Plata Island, Ecuador [Askoy]. 



Teleophrys tumidus (Cano). From Paita north to Zorritos Light 

 and from Sechura Bay south to Independencia Bay, Peru. 



Microphrys platysoma (Stimpson). Gulf of California: from La 

 Paz Bay south to Cabeza Ballena ; from Panama Bay south to Gorgona 

 Island, Colombia [Askoy], and to Santa Elena Point, Ecuador. 



Microphrys triangulatus (Lockington). Gulf of California: from 

 Agua Verde Bay north to Isla Partida ; from Cerralvo Island south to 

 Bahia Honda, Panama. 



Microphrys branchialis Rathbun. From Abreojos Point north to 

 Dewey Channel, Lower California; Gulf of California: from Guaymas, 

 Sonora, north to Angeles Bay, and south to Santa Elena Bay, Ecuador. 



