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Genus LXXXVIII. TERN. 



N 



i. Cafpian T. 



N° 11. Wreathed T. 



Var. A. 



12. Brown T. 



Var. B. 



13. Dufky T. 



2. Cayenne T. / 



14. Common T. 



3. Surinam T. 



15. Panayan T. 



4. Sooty T. 



16. Cinereous T. 



5. African T. 



J 7. White T. 



6. Noddy T. 



18. Letter T. 



7. Simple T. 



19. Chinefe T. 



Var. A. 



20. Southern T. 



8. Egyptian T. 



ai. Hooded T. 



9. Sandwich T. 



22. Black T. 



Var. A. 



Var. A. 



10. Striated T. 



23. Brown T. 



B 



I R D S of this genus have, 



A ftrait, flender, pointed bill. 



Linear noftrils. 



The tongue flender, and fharp. 



Wings very long. 



A fmall back toe. 



The tail forked. 



Sterna 



