Gasterosteus aculeatus (Continued) 

 BOTHRIOCEPHALLIDAE 



Bothriocephalus ? claviceps (Goeze 1782) Rudolphi 1810. England. 



Chappell and Owen (1969). 

 Bothriocephalus scorpii (Muller 1776) Rudolphi 1808. Larva. 



British Columbia. Intestine. Arai (1969b); USSR. Bykhovskaya- 



Pavlovskaya et al . (1962). 

 Bothriocephalus sp. Labrador, Newfoundland. Hanek and Threlfall 



(1970). 



CYATHOCEPHALIDAE 



Cyathocephalus truncatus (Pallas 1781) Kessler 1868. British 

 Columbia. Intestine. Lester (1974); Norway. Vik (1954). 



DIPHYLLOBOTHRIIDAE 



Diphyllobothrium sp. Plerocercoid. British Columbia. Liver. 



Lester (1974). 

 Diphyllobothrium dendriticum (Nitzsch 1824) Matz 1892. Plerocercoid, 



Ireland. Kane (1966); USSR. Bykhovskaya-Pavlovskaya et al . 



(1962). 

 Diphyllobothrium ditremum (Creplin 1825) Matz 1892. Plerocercoid. 



Britain. Chubb (1970a); USSR. Bykhovskaya-Pavlovskaya et al . 



(1962) as D. norvegicum . 

 Diphyllobothrium vogeli Kuhlow 1952. Plerocercoid. West Germany. 



Liver. Vik et al. (1969). 



LIGULIDAE 



Schistocephalus solidus (Muller 1776) Steenstrup 1857. Plerocercoid. 



England. Body cavity. Pennycuick (1971); Labrador, Newfoundland. 



Hanek and Threlfall (1970); USSR. Bykhovskaya-Pavlovskaya et al . 



(1962); British Columbia. Lester (1974); California. Haderlie 



(1953). 

 Schistocephalus sp. Larva. British Columbia. Bangham and Adams 



(1954). 



PHYLL0B0THRIIDAE 



Phyllobothrium sp. Larva. British Columbia. Intestine. Arai 

 (1969b). 



PR0TE0CEPHALIDAE 



Proteocephalus filicollis (Rudolphi 1802) Weinland 1858. England. 



Intestine. Chappell (T969) ; Labrador, Newfoundland. Hanek 



and Threlfall (1970); USSR. Ginetsinskaya (1955). 

 Proteocephalus pugetensis Hoff and Hoff 1929. British Columbia. 



Bangham and Adams (1954). 

 Proteocephalus longicollis (Zeder 1800) Nufer 1905. USSR. 



Intestine. Freze (1965). Possible host. 

 Proteocephalus percae (Muller 1780) Kailliet 1889. USSR. Intestine. 



Freze (1965). Possible host. 



168 



