404 



BULLETIN OF THE BUREAU OF FISHERIES. 

 Prionotus scitulus, Sea Robin. 



NEMATODES. 



1. Immaluri nematodes (Ascaris sp.) . 



L901. — Aug. 1, few, on viscera; type with diverticula on both oesophagus and intestine. 



CESTODES. 



2. Rhynchobothrium sp. 



Type with oval cysts, short larva, and relatively long hooks. Aug. 1, 1902; 1. 

 :'.. Tetrarhynclius bisulcatus Linton. 

 • 1901. — Aug. 1 and 16, few, encysted in stomach wall. 

 1902. — Aug. 15, cysts in stomach wall. 



TKEMATODES. 



4. Distomum appendiculalum Rudolphi. 



1902.— Aug. 15, 1. 



5. Distomum i itt llosum Linton. 



1902. — Aug. 15, 1, not in good condition. 



6. Distomum sp. [Fig. 157.] 



1902. — Aug. 1, 1, not in good condition. Dimensions, in millimeters: Length 1.65; diameter of 

 oval sucker 0.09, of pharynx 0.05, of ventral sucker 0.2; ova 0.032 by 0.016. 



Prionotus tribulus, Sea Robin. 



ACANTHOCEPHALA. 



1. Echinorhynchus sagittifer Linton. 



L90L— July :il and Aug. 16, 1 on former date and 2 on the latter, on serous coat of viscera inclosed 

 in thin membranous cyst. 



NEMATODES. 



2. Immature nematodes. 



1901.— Aug. 1. few, not in good condition. 



1902. — Aug. 13, few, type with diverticula on oesophagus and intestine. 



