60 



12. PontobdeUa murlcata (the skate leech), from 



skate. 



13. Mijxine glutinosa, hag fish. 



E.— Collection of other enemies to Fish. 



1. Voracious fish, example the angler (Lophius). 



2. ,, ,, dog-fish {Scyllium). 



3. Sea-birds, example the Cormorant 



4. Sea-mammal, example the porpoise {Phocana). 



5. Arrow- worm {Sagitta) : (eats larval fishes). 



F.— Collection showing diseases or abnormal conditions 

 of Fishes. 



1. Keversed solenette. 



2. ,, sole. 



3. ,, flounder. 



4. Dab with tumours on colourless side. 



5. Trout with abnormal tail. 



6. Salmon attacked by fungus {HanroJegnia fexax). 



/ 



