GASTEROSTEID.E. TRIGLID^E. 199 



5. Gasterosteus trachurus,Cuv.etVsi\. Rough-tailed Stickle- 



back. 



Hob. British Seas. 



6. Gasterosteus leiurus, Cuv. et Val. Smooth-tailed Stickle- 



back. 

 Hab. British Seas. 



7. Gasterosteus pungitius, Linn. Ten-spined Stickleback. 

 Hab. British Seas. 



Family PERCID^E. 



Genus PERCA. 



8. Perca fluviatilis, Linn. Common Perch. 

 Hab. British fresh waters. 



Genus ACERINA. 



9. Acerina cernua (Linn.) . Ruffe, or Pope. 

 Hab. British waters. 



Genus LABRAX. 



10. Labrax lupus (Linn.). Bass. 

 Hab. British Seas. 



Family TRIGLID.E. 



Genus COTTUS. 



11. Coitus quadricornis, Linn. Four-horned Cottus. 

 Hab. British Seas. 



12. Cottus bubaliSj Euphr. Long-spined Cottus. 

 Hab. British Seas. 



Genus ASPIDOPHORUS. 



13. Aspidophorus cataphractus (Linn.). Armed Bullhead, 

 Hab. British Seas. 



