120 



BULLETIN OF THE BUREAU OF FISHERIES. 



September 20. — Twelve fish examined. These were taken at Montauk, Long 

 Island, and sent to me from Blackford's, Fulton Market, New York. Cysts were 

 found in 11 of the 12 fish, distributed in general as has been described in preceding 

 cases. 



Table Showing Occurrence of Cysts in Flesh of 12 Bdtterfish from Montauk, Long Island. 



In no. 9 cysts were also very numerous lateral to the backbone in the middle 

 of the body, and a few were seen in the ventral muscles of the post-abdominal 

 region. The usual immature nematodes were abundant on the viscera, but no 

 cysts were noted in the body cavity. 



October 12. — Twelve fish examined. These were caught at Barnegat, N. J., and 

 were sent to me from Blackfords, Fulton Market, New York. 



Table Showing Distribution of Cysts in 12 Butterfish from Barnegat, N. J. 



Most of these fish had many cysts also along the lateral borders of the vertebra. 

 In no. 12 there were enormous numbers of cysts below the backbone caudad of 

 the abdominal cavity, where they were scattered through the muscles generally. 

 A cluster of about 100 cysts lay immediately behind the skull. 



Some blastocysts with the contained scoleces were removed from their cysts 

 and found to be still living. A number of cysts were placed in normal salt solution 

 and examined from day to day for over a week. They were found to show signs 

 of life on the evening' of the 19th. The last signs of activity were seen in the 

 proboscides. 



