THE TREMATODE PARASITES OF FISHES. 



479 



found on the south coast, and indeed the only one met with in Pleuronectid 

 fishes. It was found in five out of thirteen specimens of Pleuronectes 

 limanda and P. tnicrocephalus. It has already been recorded in the 



KSt. 



Fig. 2. — Steringotrema pagelli. Ventral view x 33. C. B. Cirrus-pouch; K.St. Ovary 

 P.O. Genital aperture. M. lihodes del. 



latter host from the Firth of Clyde, but it is worthy of note that it has 

 not been met with in the North Sea, although over 100 specimens 

 of these two hosts have been examined. It has already been fully 

 described. 



