140 Recently published Ornithological Works. 



and has the back either entirely olive or much mixed with 

 this colour instead of black as in S. zena. 



19. Ridgivay on the female 0/ Carpodectes antonife. 



[Description of the adult female of Carpodectes anionics, Zeledon, witli 

 critical remarks, notes on habits, &c., by Jos6 C. Zeledon, By Robert 

 Ridgway. Pr. U.S. N. M. 1887, p. 20.] 



The female^ now first described, is different from the male. 

 Mr. Zeledon, to whose researches this discovery is due, is of 

 opinion that the same dissimilarity will be found to exist 

 between the sexes of C. nitidus. 



20. Ridgivay on a 7ieiv Porzana. 



[Description of a new Species of Porzana from Costa Rica. By Robert 

 RidgTvay. Pr. U.S. N. M. 1887, p. 111.] 



Porzana alfari is similar to P. albigularis, but has the 

 black bars on the flanks much broader. A synopsis of the 

 allied species of the group is added, 



21. Ridgway on Ardea wuerdemanni. 



[Notes on Ardea ivuerdemanni, Baird. By Robert Ridgway. Pr. U.S. 

 N. M. 1887, p. 112.] 



Mr. Ridgway's notes are based on eight specimens of this 

 rare Heron, obtained by Mr. Stuart in December 1886, on 

 the Florida Keys, It seems to be " a permanent form, and 

 if not a colour-phase of A. occidentalis, to be, probably, a 

 distinct species.'" 



22. Ridgway on an Ai'izonan Trogon, 



[ Trogon ambiguus breeding in Arizona. By Robert Ridgway. Pr. U.S. 

 N. M, 1887, p. 147.] 



A specimen of Trogon ambiguus in first plumage, received 

 by the National Museum from the Huachuca mountains, 

 Arizona, seems to prove that this Trogon breeds in that 

 locality. The specimen is described. 



23. Ridgway on a neiv Dendrocolaptine Bird. 



[Description of a new Genus of Dendrocolaptine Bird from the Lower 

 Amazon. By Robert Ridgway. Pr. U.S. N. M. 1887, p. 151.] 



