The Surf- Fishes 



The genus Hystcrocarpus contains but one species, H. iraski, 

 a small freshwater fish, locally abundant in the rivers of central 



California. It is probably most numerous in the Sacramento. 



The genus Abeoiia contains 2 species, A. iniiiimj, reaching 

 6 inches in length and found alonsr the entire California coast 



from San Francisco to San Diego. The other species, A. aurora, 

 is scarcely larger and is known only from Monterey Bay, where 

 it is abundant. 



47° 



