| OCR Text |
Show 1868.] ON THE AMERICAN RALLID.E. 461 parvo triquetro, crassitie minore, et corpore subtus pure albo distinguendus! Genus 7. PORPHYRIOPS. Porphyriops, Puch. R. Z. 1845, p. 278. Hydrocicca, Cab. Wiegm. Arch. 1847, p. 351. I. PORPHYRIOPS CRASSIROSTRIS. Fulica crassirostris, J. E. Gray, Griffith's A. K. iii. p. 542. Gallinula crassirostris, Darwin, Zool. Beagle, iii. p. 133 ; Bridges, P. Z. S. 1843, p. 118; Pelzeln, Novara-Reise, Vog. p. 135; Schl. Mus. d. P.-B. Ralli, p. 49. Porphyriops crassirostris, Salvad. Att. Sc. It. viii. p. 285. Hydrocicca melanops, Sclater, P. Z. S. 1867, p. 333. Olivaceus, pileo medio obscuriore: alis fuscis, harum tectricibus castaneo perfusis, secundariis externis albicante marginatis: cinereus, ventre medio et crisso albo; hypochondriis olivaceo et albo maculatis : rostro obscure olivaceo, apice flavicante pedibus corylinis: long, tota 9, alee 5*2, caudee 2*2, rostri 095, tarsi 1*8, digiti medii cum ungue 2*5. Hab. Chili (Bridges, Leybold). 31us. Brit., S. & G. 2. PORPHYRIOPS MELANOPS. El cara negra, Azara, Apunt. iii. p. 223. no. 373. Rallus melanops, Vieill. N. D. xxviii. p. 553, et E. M. p. 1065. Hydrocicca melanops, Cab. Wiegm. Arch. 1847, p. 351. Ortygometra melanops, Burm, La Plata, ii. p. 505. Crex femoralis, Tsch. Wiegm. Arch. 1843, pt. 1. p. 388, et F. P. Aves, p. 301 (?). Amaur ornis femor alis, Bp. C. R. xliii. p. 600 (?). Porphyriops leucopterus, Salvadori, Att. S. I. viii. p. 382; Scl. & Salv. P. Z. S. 1868, p. 175. Sim., preec. sed minor, pileo medio obscuriore, et remigibus intus et extus albo magis distincte notatis : long, alee 4*9, caudee 2*3, tarsi 1*4, digiti medii cum ungue 1-8, rostri a rictu 0*9 Hab. Paraguay (Azara) ; Bogota (Mus. Derb.) ; Bolivia (D'Orb. in Mus. Paris.); Peru (Tschudi) ; New Granada (31us. Derb.). Mus. Derb. W e have examined the type specimen of P. leucopterus of Salvadori, which has been kindly lent to us by the describer, and find it distinguishable from the Chilian bird by the characters above given. If the locality of " Paraguay," assigned to it by Dr. Salvadori, is correct, it seems probable that all the birds met with on the eastern slope of the Andes will turn out to be of this form. But we have as yet only been able to examine one Cisandean specimen, from New Granada, in the Derby Museum. This certainly belongs to the white-winged form. We shall not consider the specific dis- |
