NO. 1281. BTRDS COLLECTED IN PARAGUAY— OBERIWLt^ER. 143 



COMPSOTHLYPIS PITIAYUMI PITIAYUMI (Vieillot). 



SijIrUi pifmfiiniii Vieillot, Nouv. Diet. d'Hist. Nat., XI, 1S17, p. 27(). 

 <'oiit/ti<ofli/ifpl.'<pitioyumlCAKA^i)i, Mus. Hein., I, 1850, p. 21. 



One fspet'inien, belonging without doubt to the typical form, rather 

 than to the larger, darker and more richly colored race from northern 

 and western South America, C()mi>mthJyph jjUknjvini pacifim. "Iris 

 brown.'' 



Family ICTERID.E. 



ICTERUS PYRRHOPTERUS (Vieillot). 



Agclaius pi/rrhopteriix Vieillot, Nouv. Diet. d'Hist. Nat., XXXIV, 1819, p. 543. 

 Icterus jii/rrJiopternx d'Orbigxy and Lafresnaye, Synop. Avium, II, 1838, p. 6. 



One adidt male, apparently identical with Bolivian specimens, 

 ''Iris l)ro\vn.'' 



Family TANAGKID.E. 



TRICHOTHRAUPIS QUADRICOLOR (Vieillot). 



TachyphoniisquadricolorYiEiLun, Nouv. Diet. d'Hist. Nat., XXXII, 1819, p. :)59. 

 Trkhothraupis quadricolor Cabanis, Mus. Hein., I, 1850, p. 23. 



Two specimens. " Iris brown." The immature male of this species 

 ditlers from the adult in being darker, more brownish olive above, 

 and more deeply ochraceous beloAv ; the yellow coronal patch is 

 wanting, but is indicated by the pale yellow bases of the feathers of 

 the vertex, the amount of this color increasing with age. 



PHCENICOTHRAUPIS RUBICA (Vieillot). 



Staltator [sic] ruUrm Vieillot, Nouv. Diet. d'Hist. Nat., XIV, 1817, p. 107. 

 Phoenicothraupis ruMca Cabanis, Mus. Hein., I, 1850, p. 24. 



One specimen, an adult male, apparently typical. '" Iris brown." 

 NEMOSIA GUIRA (Linnaeus). 



Motarilla giiira Lixx.eus, Syst. Nat., 12th ed., I, 1766, p. 335. 

 Xemosia guira Bonaparte, Consp. Avium, I, 1850, p. 236. 



Two specimens, male and female. "Iris brown." 



Birds from Paraguay and southwestern Brazil are uniformly of 

 large size, while those from eastern South America (Brazil to Vene- 

 zuela) seem to average smaller; but whether or not this character is 

 sufficienth^ constant to warrant the recognition of two geographical 

 races the present material does not show. There is no observable 

 difference in color. 



EUPHONIA PECTORALIS (Latham). 



Pipra pector<dh'L\'ni\yi, Index Orn., Suppl., 1801, p. Ivii. 

 Euphonia jmioralis Bo'SAPAUTE, Consp. Avium, I, 1850, p. 233. 



One adult male. "Iris brown." 



