PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 33 



19. Isurus (? oxyrhynchus Eafiuesque). 



Two jaws of a species of Isurus, supposed to be J. oxyrhynchus, were 

 obtained at San Pedro. 



20. Carcharodon carcharias (L.) J. & G. — Man-eater Shark. 



Occasionally taken about Monterey Bay. One of 24 feet in length 

 taken at Carmelo this year, and one of 20 feet at Soquel. One taken a 

 few years ago at Soquel had a young sea-lion weighing 100 jjounds in 

 its stomach. It is valued only for the oil in its liver. 



Family CETORHINIDyE. 



21. Cetorhinus maximus (Linnieus) Blaiuvillo. — Ground Shark. 

 Occasionally taken about Monterey by the whalers, and sometimes 



entangled in gill-nets. About five taken during the present year at 

 Soquel and Monterey, ranging from 26 to 31 feet in length. It is valued 

 for the oil in its enormous liver. 



Family SCYMNID^. 



22. Somniosus tnicrocephalus (Blocli) Gill. — Ground Shark. 



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

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

 toria. The livers are used with those of the dog-fish for making " dog- 

 fish oil". In habits this species is very sluggish, lying " on the water 

 like a log ". 



Family SPIXACID.E. 



23. Squalus acanthias Liunteus. — Doy-fish ; Spinarola. 



From Santa Barbara to Alaska ; occasional southward ; excessively 

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

 quiet bays or channels, coming into shallower water in pursuit 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 with trawi -lines for its 

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

 The young are brought forth in June in Puget Sound. 



Family SQUATINID^. 



24. Squatina angelus Dnm^ril. — Angel-fish; Angclo ; Squat. 



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

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

 a length of nearly 5 feet and a weight of 60 pounds. It is not used 

 for any purpose. 



Family TORPEDINID^. 



25. Torpedo californioa Ayres. 



Not common. Seen by us only at Soquel and San Francisco. It 

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

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



