collected by the late Henry Durnford. 357 
20. CNIPOLEGUS CINEREUS, Scl. (Plate X.) 
Cnipolegus cinereus, Scl. P. Z. 8. 1870, p. 58, 1879, p. 460 ; 
Cab. J. f. Orn. 1878, p. 197. 
6, Tucuman, lst June. “Iris scarlet; beak, legs, and 
feet black.” 
?, Salta, 13th June. “Tris ight brown; beak dark horn ; 
legs and feet black.” 
3, Salta, 22ndJune. “Iris scarlet; beak slate, tip darkest; 
legs and feet slate.” 
Originally described by Mr. Sclater from a male specimen 
belonging to the Smithsonian Institution, obtained by Capt. 
Page during his exploration of the Rio Vermejo. Dr. Dor- 
ing has since found it near Cordova. The species was not 
noticed by Dr. Burmeister. The figures (Plate X.) are taken 
from the Salta specimens. 
21. Macnuertornis rixosa (Vieill.). 
Machetorns rivosa, Burm, La Plata-Reise, 11. p. 458. 
Salta, 9th June. “ Iris orange ; beak, legs, feet, and claws 
black.” 
A common species of wide range, found also at Parana by 
Dr. Burmeister, 
22. EuscaRTHMUS MARGARITACEIVENTRIS (d’Orb. & Lafr.). 
Triccus margaritiventris, Burm. La Plata-Reise, 11. p. 456. 
Tucuman, 3rd June. ‘Iris pale primrose; beak black, 
under mandible light brown ; legs flesh-colour.” 
Dr. Burmeister’s specimens were from Parana. 
This is the true £. margaritaceiventris, agreeing well with 
d@Orbigny’s plate. The bird so named by Herr. vy. Pelzeln 
belongs to another species, having a dull brownish instead of 
a clear grey head. 
23. StigmatuRra BuDyToIDES (d’Orb. & Lafr.). 
Stigmatura budytoides, Scl. & Salv. P. Z. 8S. 1866, p. 188. 
Tucuman, 3rd June. “‘ Iris hight brown; beak, legs, and 
feet black.” 
Salta, 15th June. “Iris wood-brown ; beak, legs, and feet 
black.” 
The only specimens of this curious form previously seeu by 
