Euthynnus pel amis (Continued) 



Neodiplotrema pelamydis (Yamaguti 1938) Yamaguti 1938. Pacific 



Japan. Gill arches. Yamaguti (1938) as Diplotrema p. 

 Oesophagocystis dissimilis (Yamaguti 1938) Yamaguti 1970. Hawaii, 



Pacific Japan. Esophagus, stomach. Yamaguti (1970). 

 Coeliodidymocystis kamegaii Yamaguti 1970. Hawaii. Caeca, stomach 

 ~~ Yamaguti (1970). ~~~^ 

 Coeliodidymocystis abdominal is (Yamaguti 1938) Yamaguti 1970. Japan. 



Caeca, stomach. Yamaguti (1938) as Didymocystis a. 

 Didymocystoides intestinomuscularis Yamaguti 1970. Hawaii. Muscle 



layer of intestine. Yamaguti (1970). 

 Didymocystoides pinnicola Yamaguti 1970. Hawaii. Dorsal fins. 



Yamaguti (1970"^ 

 Didymocystoides submental is (Yamaguti 1938) Yamaguti 1970. Japan. 



Submental region. Yamaguti (1938) as Didymocystis s. 

 Lagenocystis katsuwoni Yamaguti 1970. Hawaii. Intestinal wall. 



Yamaguti (1970). ' 

 Adenodidymocystis intestinal is Yamaguti 1970. Hawaii. Intestinal 



wall. Yamaguti (1970). 

 Univitellannulocystis katsuwoni Yamaguti 1970. Hawaii. Intestine. 



Yamaguti (1970). 



FELL0DIST0MATIDAE 



Tergestia laticollis (Rudolphi 1819) Stossich 1899. Mediterranean. 

 Manter (1940b). 



HEMIURIDAE 



Dinurus euthynni Yamaguti 1934. Pacific Coast of Japan. Stomach. 



Yamaguti (1934a). 

 Lecithochirium microstomum Chandler 1935. Mexico. Stomach. 



Lamothe-Argumedo (1966). 



HIRUDINELLIDAE 



Hirudinella ventricosa (Pallas 1774) Baird 1853. Atlantic. 

 ManteTTT940bT 



SYNC0ELIIDAE 



Syncoelium filiferum (Leuckart in Sars 1885) Odhner 1911. Pacific 

 Coast of Japan. Branchial cavity. Yamaguti (1938) as S. katuwo . 



M0N0GENEA 



AXINIDAE 



Allopseudaxine katsuwonis (Ishii 1936) Yamaguti 1943. Hawaii. 



Gills. Yamaguti (1968b). 

 Allopseudaxine vagans (Ishii 1936) Price 1962. Japan. Gills. 



Ishii (1936) as Pseudaxine _v. [- Allopseudoaxinoides vagans - 



Yamaguti (1970).! 



268 



