PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 09 



259. Pleuronichthys decurrens .1. & G. 



Moutercy and San Francisco (and northward ?), in deep water. Large 

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

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

 preceding, but more abunchmt. 



260. Pleuronichthys verticalis J. A: G. 



Monterey and San Francisco, iii deep 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, bui most specimens 

 seen in the markets are of smaller size. 



261. Aphoristia atricauda .T. I'v. G. 



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



Family AULORHYNCHID^. 



262. Aulorhynchus 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 

 inches. 



263. Gasterosteiis microcephalus Grd. — SUcMehack. 



{Gasterosteiis 2)h'btiu-s aud pufifAli Grd.) 



In rivers aud brackish waters from Los Angeles Eiver to Puget Sound ; 

 commonest southward. Length 2 inches. 



264. Gasterosteus aculeatus var. cataphractvis (Pallas) J. &, G. — Stickleback ; Sal- 



mon EiUtr. {(htfiteroatrns «enY(/»s Ayros; Gasttrosteus insculpiusJiich.) 



In salt water, entering rivers from Sau Francisco to Alaska; very 

 common nprthward Length 2i iuches. 



Family SYNGKATHID^. 



265. Siphostoma californiense (Storer) J. «fe G. — Plpe-fisli. 



Santa Barbara to Puget Sound ; the form called S. griseolineatHn 

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

 mon; most common at Soquel. It reaches a length of 15 to 1>^ inches. 



266. Siphostoma leptorhyiichus ((xi-d.) .T. & 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 puiictipinne (Gill) J. *fc G. 



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



Family HIPPOCAMPID^. 



268. Hippocampus ingens Grd. — Sea Horse. 



Sau Diego ; rare. Reaches a length of about a foot. 



