SEA-FISHERIES LABORATORY. 125 



give it an unusual appearance. Several times we have 

 attempted to ascertain the fate of this copepod when the 

 lobster casts its shell, but so far have been unsuccessful. 

 i^one of the lobsters that moulted in our tanks happened 

 to have parasites on the gills. 



The Branchiurid, Argvlus foliaceus (Linn), has 

 been found on trout sent to us for examination from the 

 Kibble. 



