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Show 1869.] BIRDS FROM THE ARGENTINE REPUBLIC. 159 2. PROGNE DOMESTICA (Vieill.). Hirundo domestica, Vieill. N. D. xiv. p. 521, et E. M. p. 527; ex Golondrina domestica, Azara, Apunt. i. p. 502. Progne domestica, Baird, Rev. A. B. p. 282; Burm. La Plata- Reise, ii. p. 477. One skin of this species, which seems to us very nearly allied to the Central-American P. leucogastra, though larger. Burmeister describes the adult as being steel-blue all over, having, we suppose, confounded it with the southern representative of P. purpurea (i. e. P. elegans, Baird, Rev. A. B. p. 751). 3. ATTICORA CYANOLEUCA (Vieill.) ; Burm. I. c. p. 479. Golondrina timoneles negros, Azar. Apunt. ii. p. 508. no. 303. Two examples of this widely spread species. 4. CYCLORHIS VIRIDIS (Vieill.); Burm. /. c. p. 472. Habia verde, Azara, I. c. i. p. 361. no. 89. Sclater's Bolivian specimen (C. A. B. p. 46) has a rather stronger bill, and the base of the lower mandible black. The chestnut eyebrows are also deeper in colour. It approaches C. flavipectus. The present species comes nearer the Brazilian C. ochrocephala, and has no black spot on the lower mandible. 5. AGELASTICUS THILIUS (Mol.). Agelaius thilius, Burm. I. c. p. 492. Tordo negro cobijas amarillas, Azara, /. c. i. p. 301. Agelasticus chrysopterus, Cab. M . H. i. p. 188. Agelaius xanthocarpus, Cassin, P. Acad. Phil. 1866, p. 12. Two males and a female of this species, which we agree with Burmeister in regarding as hardly distinct from the Chilian bird. It only differs in its smaller size. The single Peruvian skin we have seen is most like the Chilian in size ; so that Bonaparte's A. xanthocarpus (ex Peruvia) is probably a mere synonym of A. thilius. Cabanis wishes to call the Argentine form chrysopterus, from Vieillot's Agelaius chrysopterus, which name, however, has no reference to Azara's species, and is a mere synonym oi Icterus cayanensis. 6. XANTHOSOMUS RUFICAPILLUS (Vieill.). Tordo corona de canela, Azara, I. c. i. p. 315. Agelaius ruficapillus, Vieill. Chrysomus frontalis, Burm. 1. c. p. 492. Dolichonyx ruficapillus, Cassin, Pr. Acad. Phil. 1866, p. 17. Cassin is quite right in separating this bird from the Brazilian X. frontalis, with which it has been generally confounded. 7. CYANOTIS AZARAE (Licht.); Scl. C. A. B. p. 212. Tachuri rey, Azara, Apunt. ii. p. 72. no. 161. Two pairs of this species, which Mr. Hudson marks as a " summer bird frequenting swamps." Not mentioned by Burmeister. |
