THE TREMATODE PARASITES OF FISHES. 



499 



14. Callionymus lyra. 



Lebouria varia. 

 Zoogonoides viviparus. 

 Derogenes various. 



15. Trigla pini. 



Helicometra pulchella. 

 Derogenes various. 

 Lecithaster gibbosus. 

 Hemiurus communis. 

 Rhipidocotyle minima. 

 Phyllocotyle gurnardi. 



16. Trigla gurnardus. 



Derogenes various. 

 Hemiurus communis. 

 Rhipidocotyle minima. 

 Prosorhynchus triglae. 



17. Trigla hirundo. 



Derogenes various. 

 Synaptobothrium oaudiporum. 

 Rhopidoootyle minima. 



18. Cyclopterus lumpus. 



Pharyngora bacillaris. 

 Derogenes various. 



19. Cyclogaster montagui. 



Podoootyle atomon. 



20. Gohius ruthensparri. 



Podoootyle atomon. 



21. Gohius paganellus. 



Helicometra pulchella. 

 Hemiurus communis. 



22. Blennius gattorugine. 



Helicometra pulchella. 

 Zoogonoides viviparus. 

 Monorchis monorchis. 



23. Blennius ocellaris. 



Steringotrema divergens. 

 Zoogonoides viviparus. 

 Derogenes various. 



Intestine. 



Rectum. 



Mouth. 



Caeca. 



Stomach. 



Stomach. 



Stomach. 



Intestine. 



Gills. 



Stomach. .,, • 



Stomach. 



Intestine. 



Stomach and intestine. 



Stomach and mouth. 

 Stomach and mouth. 

 Intestine and caeca. 



Intestine and caeca. 

 Stomach. 



Intestine. 



Intestine. 



Intestine and stomach. 

 Stomach. 



Intestine and stomach. 

 Rectum and intestine. 

 Stomach. 



Duodenum. 



Rectum. 

 Mouth. 



