Gasterosteus aculeatus (Continued) 



TETRAPHYLLIDEA 



Scolex polymorphic Rudolphi 1819. Barents Sea, USSR. Polyanski 

 (1955a). 



TRAIAENOPHORIDAE 



Triaenophorus crassus Fore! 1868. Europe. Intestine. Yamaguti 



(1959b). 

 Triaenophorus lucii (MCiller 1776). Plerocercoid. USSR. Petrushevski 



et al. (1949) as L nodulosus . 



COPEPODA 



BOMOLOCHIDAE 



Bomolochus cuneatus Fraser 1920. British Columbia. Kabata (1971). 

 CALIGIDAE 



Caligus lacustris Steenstrup and Lutken 1861. USSR. Skin, gills. 



Bykhovskaya-Pavlovskaya et al . (1962). 

 Caligus clemensi Parker and Margolis 1964. British Columbia. 



Body surface. Parker and Margolis (1964). 



ERGASILIDAE 



Ergasilus globosus Kr#yer 1838-40. Yamaguti (1963a) [Species 



inquirae - Yamaguti (1963a)]. 

 Ergasilus turgidus Fraser 1920. British Columbia. Probably gills. 



Fraser (1920). 

 Ergasilus auritus Markevich 1940. British Columbia. Gills, body 



surface. Arai (1969b); Labrador, Newfoundland. Hanek and 



Threlfall (1970); USSR. Bykhovskaya-Pavlovskaya et al . (1962). 

 Ergasilus manicatus Wilson 1911. Massachusetts. Roberts (1970). 

 Ergasilus sieboldi Nordmann 1832. Poland. Gills. Grabda (1963). 

 Thersitina gasterostei (Pagenstecher 1861) Normon 1905. Newfoundland, 



Labrador. Hanek and Threlfall (1970) ; Baltic Sea. Kozikowska 



(1965); British Columbia. Lester (1974). 



LERNAEIDAE 



Lernaea cyprinacea Linnaeus 1758. Britain. Skin. 

 Kennedy (1975); USSR. Skin, gills. Bykhovskaya- 

 Pavlovskaya et al. (1962) as L. esocina . 



DIGENEA 



ALLOCREADIIDAE 



Allobunodera mediovitellata (Tsimbalyuk and Roytman 1965) 

 Yamaguti 1971. British Columbia. Lester (1974). 



169 



