[18] Other incidental prey were polychaetes at Netarts and the Farallon Islands.

[19] Principal sources: Bent 1925; Cleaver and Franett 1945; Cottam 1939; Cottam and Knappen 1939; Kortright 1942; Mabbot 1920; McGilvrey 1967; Munro and Clemens 1939; Roberts and Huntington 1959.

[20] Other incidental items were the fish Cololabis and Peprilus at the Farallon Islands.

[21] Other incidental items were myctophid fish in northeastern Canada.

[22] Other incidental items included the lamprey (Lampetra) at the Farallon Islands.

[23] Bent (1946) listed "fish" as prey.

[24] Grinnell (1897) listed "fish" as the major dietary component.

[25] Bédard (1969a) also listed "fish" as an incidental item.

[26] Other incidental prey were copepods and isopods.

[27] Other incidental prey were pholids in Denmark.