GASTEROSTEID.E. - TRIGLID^E. 36? 



Family GASTEROSTEID^E. 



Genus GASTEROSTEUS. 



4. Gasterosteus aculeatus, Linn. Scaly-sided Stickleback. 

 Hab. British Seas. 



5. Gasterosteus pungiteus , Linn. Ten-spined Stickleback. 

 Hab. British Seas. 



6. Gasterosteus spinadiia. Linn. Fifteen-spined Stickleback. 

 Hab. British Seas. 



Family PERCID.E. 



Genus PERCA. 



7. Perca fluviatiliSj Linn. Common Perch. 

 Hab. British fresh waters. 



Genus LABRAX. 



8. Labrax lupus (Lacep.). Bass. 

 Hab. British Seas. 



Genus ACERINA. 



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

 Hab. British waters. 



Family TRIGLID^E. 



Genus COTTUS. 



10. Coitus bubalis, Euphr. Long-spined Cottus. 

 Hab. British Seas. 



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

 Hab. British Seas. 



Genus AGONUS. 



12. Agonus cataphractus (Linn.) . Armed Bullhead. 

 Hab. British Seas. 



