BIRD LIFE IN THE URUBAMBA VALLEY OF PERU. 51 



Order GRUIFORMES. 



Family EURYPYGIDAE. 



SUN-BITTERNS. 



(435) EURYPYGA MAJOR MERIDIONALIS Berlepsch and Stolzmann. 



Eurypyga major meridionalis Berlepsch and Stolzmann, Proc. Zool. Soc, 1902, 

 p, 50 (La Merced, Peru). 



Compared with five specimens from Panama, and one from Choco, 

 Colombia, two Peruvian birds support, in part, the characters on 

 which this race is based. The russet banding on the outer primary- 

 is evidently variable in the same locality and not diagnostic, but 

 the narrower black bands of the back, and clearer, more distinct 

 markings on the neck seem to distinguish the Peruvian form. 



Rio Cosireni, 1; (also Inca Mine, 1). 



Order ARDEIFORMES. 



- Family IBIDIDAE. 



IBISES. 



(446) THERISTICUS BRANICKU Berlepsch and Stolzmann. 



Theristicus branickii Berlepsch and Stolzmann, Ibis, 1894, p. 404 (Lake Junin, 

 Peru); 1900, pis. 9, 10. 



Agrees with two specimens from Lake Junin. 

 Occobamba Pass, 14,000 feet, 1 male. 



(454) PLEGADIS RmCWAYI (Allen). 



Falcinellus ridgwayi Allen, Bull. Mus. Comp. Zool., vol. 3, 1876, p. 355 (Lake 



Titicaca). 

 Ibis falcinellus Sclater and Salvin, Proc. Zool. Soc, 1869, p. 156 (Tungasuca) 



Common in lagoons in the Puna Zone near the village of Huara- 

 condo. No specimens were taken. 



Family ARDEIDAE. 



HERONS, BITTERNS, Etc. 



(463) HERODIAS EGRETTA (Gmelin). 



Ardea egretta Gmelin, Syst. Nat., vol. 1, 1789, p. 629 (Cayenne).— Sclater and 

 Salyin, Proc. Zool. Soc, 1869, p. 156 (Tungasuca). 



(470) NYCTICORAX NYCTICORAX TAYAZU-GUIRA (Vieillot). 



Ardea tayazu-guira Vieillot, Nouv. Diet. d'Hist.Nat., vol 14, 1817, p. 417 (Para- 

 guay). 



(471) NYCTICORAX CYANOCEPHALUS (MoUna). 



Ardea cyanocephala Molina, Saggio St. Chile, 1782, p. 156 (Chile). 



Nydicorax obscuriis Sclater and Salvin, Proc. Zool. Soc, 1869, p. 156 (Tinta). 



The night herons of southern South America have long perplexed 

 taxonomists, and with some 30 specimens before me I confess that 

 I am no more able to reach wholly satisfactory results than have 



