548 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



7. Parabuteo unicinctus harrisi (Aud.). 

 Common. 



8. Cathartes aura (L.). 

 Abundant. 



9. Ardea herodias L. 

 Rare. 



10. Herodias egretta (Gm.). 

 Several seen. 



11. Garzetta candidissima (Gm.). 

 Several seen. 



12. Dichromanassa rufa (Bodd.). 



Rare. 



13. Hydranassa tricolor ludoviciana (Wils.). 

 Rare. 



14. Nyctherodias violaceus (L.). 

 Very common. 



15. Tantalus loculator L. 



A pair seen in April and Msiy. 



16. Plegadis guarauna (L.). 



A flock present in April and May. 



17. Tringoidesmacularius(L.). 

 Rare. • 



18. Mareca americana (Gm.). 

 A flock of about a dozen. 



19. Spatula clypeata (L.). 

 Mated. 



20. Querqueduladiscors(L.). 

 ]\rated ; common. 



21. Querquedula cyanoptera (Vieill.). 

 JMated ; rare. 



22. Tachypetes aquila (L.). 

 Common. 



23. Pelecanus fuscus L. 

 Common. 



24. Phalacrocorax pencillatus (Brandt). 

 Abundant. 



P. cineiunatm was very common at La Pa« in the winter months f 

 rare in March. 



