PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 3^^ 



19. Isuras (? oxyrhynchus Kiiliucsttnc)- 



Two jaws of a .s[)ecies of Is urns, supposed to be L oxyrhynvhus^ were 

 obtained at San Pe(b(). 



20. Carcharodon carcharias (L.) J. «fc (*. — Man-eater Shark. 



Oeeasionally taken abont Monterey Bay. One of 24 feet i]i lcn;;th 

 taken at Carmelo this year, and one of 20 feet at Soquel. One t;!k(Mi a 

 few years ago at Soquel bad a young seadion weigbing 100 pounds in 

 its stomacb. It is vabied only for tbe oil in its liver. 



l\iniily OETOKHINID.!:. 



21. Cetorhiaus maxiuius (Liiimt'us) IJlaiuvillo. — Ground Shark. 

 0(;casionally taken abont Monterey by tbe wbalers, and sometimes 



(Mitangled in gill-nets. xVbout five taken during tbe present year at 

 Soquel and Monterey, ranging from 2G to 31 feet in leugtb. It is valued 

 for tbe oil in its enormous liver. 



Family SCYMNID.^. 



22. Somniosiis niicrocephalus (Block) Gill. — Ground Sliark. 



From Puget Sound northward; not rare. Often taken on trawl- 

 lines set for dog-fisb. A specimen 8 feet in leugtb seen by us at Vic- 

 toria. Tbe livers are used witb tbose of tbe dog-fisb for makbig '• dog- 

 lisb oil". In babits this siiecies is very sluggish, lying "on the water 

 like a log". 



Family SPIXACID.E. 



23. Squaliis acaiitllias LiniUKUS. — Dotj-JLsh ; Spinarola. 



From Santa Barbara to Alaska; occasional southward; excessively 

 abundant from Puget Sound northward. It lives especially in deep or 

 ((uiet bays or channels, coming into shallower water in i)ursuit of her- 

 ring or salmon. It feeds chiefly on herring, but will take any bait, even 

 its own young. It is caught in great numbers witb trawl-lines for its 

 oil, both by white men and Indians. It reaches a length of about 3 feet. 

 Tbe young are brought forth in June in Puget Sound. 



Family SQUATINID.E. 



24. Squatina angelus Duineril. — Angel-fish; Angela; Squat. 



From San Francisco southward ; not uncommon. Seen by us at So- 

 quel, Monterey, Santa Barbara, San Pedro, and San Diego. It readies 

 a length of nearly 5 feet and a Aveight of GO pounds. It is not used 

 for any purpose. 



Family TORPEDINlDiE. 



25. Torpedo californica Ayios. 



Kot common. Seen by us only at Soquel and San Francisco. • It 

 reaches a length of at least 2._V feet and a weight of nearly 50 pounds. 

 Proc. Kat. Mus. 81 3 April 13, 1881. 



