462 Annals of the Carnegie Museum. 



It is perhaps most numerous along the beach and the edges of rivers, 

 seeming to feed extensively on frogs and small Crustacea. It is of a 

 very sluggish nature, and not at all shy, being very easy to approach. 

 I have even seen them when shot at and not hit, sit calmly as before, 

 only turning the head quickly to find the cause of the disturbance. 



148. Urubitinga anthracina (Lichtenstein). 



Falco anthr acinus Lichtenstein, Preis. Verz. Mex. Vog. , 1830, 3. 



Urubitinga anthracina Sclater, P. Z. S., 1858, 295. — Sclater and Salvin, 

 Ibis, 1859, 216 (Puntarenas [Salvin]). — Lawrence, Ann. Lye. N. Y., IX, 

 1868, 143 (San Jose [Frantzius], Angostura [F. Carmiol]). — Frantzius, 

 Jour, fur Orn., 1869, 368 (C. R.). — Sharpe, Cat. Birds Brit. Mus., 1, 1874, 

 215. — Nutting, Proc. U. S. Nat. Mus., V, 1882,404 (La Palma de Nicoya). 

 — Zeledon, An. Mus. Nac. de C. R., I, 1887, 126 (Jimenez, Pozo Azul de 

 Pirris, Talamanca). — Cherrie, Expl. Zool. en C. R., 1891-2, 1893, 5 1 

 (Palmar); Auk, IX, 1892, 328 (San Jose — not common). — Richmond, 

 Proc. U. S. Nat. Mus., XVI, 1893, 521 (Rio Frio). — Ridgway, Bull. U. S. 

 Geol. and Geogr. Surv., I, 1876, 171 (Puntarenas [Salvin], San Jose [Frantz- 

 ius], Angostura, [F. Carmiol], Talamanca [Gabb]). — Salvin and Godman, 

 Biol. Centr.-Am., Aves, III, 1901, 81 (Miravalles [Arce & Underwood]). 



U. S. Nat. Museum : Guayabo and Pigres (Ridgway and Zeledon). 



Bangs Collection : San Jose, Cerro de Santa Maria, Bolson (Under- 

 wood). 



C. H. Lankester Collection : Guacimo. 



Carnegie Museum : Guacimo and El Hogar (Carriker). Two skins. 

 The range and habits of the present species agree almost exactly 



with those of the preceding. 



149. Leucopternis ghiesbreghti (Du Bus). 



Buteo ghiesbreghti Du Bus, Esquisses Orn., 1845, l - '• 



Pcecilopternis ghiesbrechti Frantzius, Jour, fur Orn., 1869, 368 (Candelaria Mts.). 



Leucopternis ghiesbreghti Zeledon, An. Mus. Nac. de C. R., I, 1887, 126 



(Jimenez). — Salvin and Godman, Biol. Centr.-Am., Aves, III, 1901, 82 



(Reventazon and Carrillo [Underwood]). 

 Urubitinga ghiesbreghti Sh arpe, Cat. Birds Brit. Mus., I, 1874, 217. — Boucard, 



P. Z. S., 1878, 44 (Juan Vifias). 



U. S. Nat. Museum: Bonilla (Basulto) (Ridgway). 

 Bangs Collection : La Vijagua, Tenorio (Underwood). 

 C. H. Lankester Collection : Guacimo. 



Carnegie Museum : Guapiles, El Hogar, Miravalles (Carriker). Six 

 skins. 



