PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 69 



259. Pleuronichthys deciirrens J. & G. 



Monterey and San Francisco (and northward!), in deep water. Large 

 numbers taken in sweep-nets about the Farallones and brought into 

 the San Francisco markets. In size, food, and habits similar to the 

 l^recediug, but more abundant. 



260. Pleuronichthys verticalis J. & G. 



Monterey and San Francisco, in dc^i) water; taken at Monterey in 

 considerable numbers in the spawning season by means of gill-nets. 

 It is similar in size, feed, and habits to the others, but most specimens 

 seen in the markets are of smaller size. 



261. Aphoristia atricauda J. & G. 



Numerous specimens, 3 to 5 inches long, taken at San Diego. 



Family AULORHYNCHID^. 



262. Aulorhynchiis flavidus Gill. 



Monterey to Puget Sound, in large schools in sheltered bays near 

 the shore ; not common southward. It reaches a length of 5 to 6 

 inches. 



263. Gasterosteus microcephalus Grd. — Siiclclehach. 



{Gdsterosteus 2)lvbcius aud pugetii Grd.) 



In rivers and brackish waters from Los Angeles Elver to Puget Sound ; 

 commonest southward. Length 2 inches. 



264. Gasterosteus aculeatus var. cataphractus (Pallas) J. & G. — Sticklebaclc ; Sal- 



mon Killer. (Gasterosteus serratiis Ayres; Gasterosteus insculjjtus Rich.) 



In saltwater, entering rivers from San Francisco to Alaska; very 

 common northward. Length 2^ inches. 



Family SYNGXATHID^. 



265. Siphostoma oaliforniense (Storcr) J. & G. — Pipe-fish. 



Santa Barbara to Puget Sound; the form called ^S*. griseoUneatus 

 from San Francisco northward, the other southward and generally com- 

 mon; most common at Soqnel. It reaches a length of 15 to 18 inches. 



266. Siphostoma leptorhynchus (Grd.) J. & G. 



Santa Barbara to San Diego ; not very common except in San Diego 

 Bay. It reaches a length of less than a foot. 



267. Siphostoma punctipinne (Gill) J. «fc G. 



Only the original types, from San Diego, are yet known. 



Family HIPPOOAMPID^. 



268. Hippocampus ingens Grd. — Sea Horse. 



San Diego ; rare. Eeaches a length of about a foot. 



