O ncorhynchus nerka (Continued) 

 MYXOBOLIDAE 



Henneguya salmim'cola Ward 1919. Kamchatka, USSR. Muscles. Akhmerov 

 (1954a); British Columbia. Muscles. Margolis (1963). 



Myxobolus neurobius Schuberg and Schroder 1905. Kamchatka, USSR. 

 Cysts in nervous tissues. Bykhovskaya-Pavlovskaya et al . (1962). 



Myxobolus krokhini Konovalov and Shulman 1966. Kamchatka, USSR. 

 Konovalov et al . (1970). 



MYX0S0MATIDAE 



Myxosoma cerebral is (Hofer and Plehn 1903) Kudo 1933. Asia. Brain. 

 Halliday (1976). 



SPHAEROSPORIDAE 



Chloromyxum wardi Kudo 1920. Alaska, USSR. Gallbladder. Kudo (1920). 

 ■ Chloromyxum corregoni Bauer 1948. USSR. Gallbladder. Kudo and 

 Meglitsch.^. 



PROTOZOA (SARCOMASTIGOPHORA) 



CRYPTOBIIDAE 



Cryptobia salmositica Katz 1951. Becker (1970a). 

 Cryptobia branchial is . Japan. Gills. Sano (1970). 



HEXAMITIDAE 



Hexamita salmonis (Moore 1922). British Columbia. Duff (1934). 



TETRAMITIDAE 



Ichthyobodo necatrix (Henneguy 1884). British Columbia. Gills. 

 Hoskins et al . 13 as Costia necatrix . 



Oncorhynchus tshawytscha - Chinook Salmon 



ACANTHOCEPHALA 



ECHINORHYNCHIDAE 



Echinorhynchus gadi Zoega in Miiller 1776. British Columbia. Intestine. 



Arai (1969b); Kamchatka, USSR. Trofimenko (1962). 

 Metechinorhynchus salmonis (Miiller 1784) Petrotchenko 1956. Lake 



Michigan. Intestine. Amin and Burrows (1977). 



NEOECHINORHYNCHIDAE 



Neoechinorhynchus cri status Lynch 1936. Kamchatka, USSR. Akhmerov (1954b). 



P0LYM0RPHIDAE 



Corynosoma strumosum (Rudolphi 1802) Luhe 1904. Larva. Kamchatka, 



USSR. Trofimenko (1962). 

 Bolbosoma caenoforme (Heitz 1920) Meyer 1933. USSR. Trofimenko (1962). 



97 



