356 



BULLETIN OF THE BUREAU <>F FISHERIES. 



TBEMATODES. 



4. Distomum globiporum Rudolphi. [Fig. 159.] 



July 22; :i; placed provisionally in this species. Dimensions, life, in millimeters: Leneth 2.25; 

 maximum diameter 0.5; diameter of '.'nil sucker n.ls, of pharynx 0.10, of ventral sucker 0.1S; ova 

 0.09 by 0.07. 



5. Monostomum sp. [Fig. 217.] 



Small, oval. Dimensions of living specimens, compressed, in millimeters: Length 1.12; greatest 

 breadth 0.33; diameter of oral sucker 0. 10, of genital sucker 0.08, of pharynx 0.05; ova 0.025 by 0.014. 

 This is the same species as No. 7 under Menidia menidia. 



Fundulus heteroclitus, Killi-fish. 



CESTODES 



1. Scolex polymorphus Rudolphi. 



July 22, few, small; seen in piece of intestine which was being examined for food contents. 



Tylosurus marinus, Gar. 



NEMATODES. 



1. Immatun nemalodi \ Ascaris ). 



Type with elongated basal portion of oesophagus and corrugated post-anal region. 

 1002.— Aug. 7, 1. 



2. Minute nematode. 



1002. — July Ml, 1 ; curved like the letter C; probably related to the minute I onus found in Leiostomus. 



CEST S. 



:; Scoli i polymorphus Rudolphi. 



1902. -July 31, lew, small; 2 red pigment >pots present. Aug. 20, few, small. 



I REMATODES. 



4. Distomum tornatum Rudolphi. 



1902. — July 22, 3; in cysts about 5 mm. in diameter in the intestinal wall. Cysts dark colored, 

 almost Mack on account of accumulation of pigment. The diatomes were light pink or flesh color and 

 very active; the neck could lie st fete In d until It was filiform or contracted until the two suckers were 

 brought together. The specimens, while of good size, were immature, no ova being [in 'sent. Dimen- 

 sions, in millimeters, of flattened specimen: Length 6, neck (contracted) 1; diameter, oral sucker 

 0.41, ventral sucker 0.96. Aug. 1, 2, miniature. Aug, 11, several; large hut without ova. Aug. 15, 

 2; large, no ova. Aug. 20, .1 large and 2 small, flesh color, no ova. Aug. 25, 2. no ova. 



