158 American Fisheries Society 



greatly dilated above the structure. There were many 

 adhesions and inflammatory products in the neighbor- 

 hood. Again through an accident the tissue was lost so 

 that the exact nature cannot be stated. In large Cynos- 

 cion regalis (Squeteague) there was found a tumor of the 

 testis about 15 mm. x 15 mm. x 10 mm. This was sec- 

 tioned, but not yet studied. 



Fragmentary as these notes are, representing only in- 

 cidental observations of conditions not carefully studied 

 except in the case of the worm parasites, they are given 

 to indicate what an extensive field for study presents it- 

 self in the pathological conditions found in the fishes at 

 the Aquarium. 



