44 MR. A. BOUCARD ON BIRDS FROM COSTA RICA. [Jail. 15, 



same habits as the TinamidEe and Odontophorinse of going about on 

 the ground. I have never seen it perched. 



Ordo LiMicoLiE. 

 Family CharadriidjE. 



19. OXYECHUS VOCIFERUS, L. 



Valley of San Jose. 



Excessively common in the plains, where they are seen constantly 

 running about searching for food, and even catching grasshoppers 

 and small insects on the wing. When surprised they run very fast, 

 at the same time crying, as if to advise one another of some danger. 



Family ScoLOPACiDiE. 



20. Tringoides macularius, L. 



Several specimens shot in the valley of San Jose\ They are found 

 along the streams, flying from one stone to another, or searching for 

 food close to the water. When surprised they take to flight, emitting 

 a sharp cry, similar to pit, pit, pit. 



Ordo Herodiones. 

 Family Plataleid^e. 



21. Platalea ajaja, L. 



One specimen near San Jose, April. 



Ordo Anseres. 

 Subfamily Anatin.e. 



22. Dendrocygna autumnalis, L. 



Native name " Pato." 



Common at the laguna of Cartago, where the division of the waters 

 takes place, either for the Atlantic or the Pacific, 



Ordo Accipitres. 

 Family Falconid^e. 



23. Micrastur SEMITORQ.UATUS, Vieill. 



One specimen, killed in the forests of Candelaria Mountains, May. 



24. Buteo latissimus, Wils. 

 Buteo pennsylvanicus, Wils. 



One specimen, killed at San Jose in January. 



25. Urubitinga ghiesbreghti, Du Bus. 

 One specimen, from Naranjo, April. Rare. 



26. Thrasaetus harpyia, L. 



Native name " Aguila." 



I have seen one specimen alive in San Jose. It was caught in the 



