208 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



Adult female. —Wing 412-415 (413.5); tail 197-214 (205.5); culmen 

 from cere 23-24 (23.5); tarsus 100-106 (103); middle toe without claw 

 43-44 (43.5 mm.) (2 specimens). 



Range. — Boggy and swampy savannahs in the lowlands from 

 Panama (Santa Fe de Veragua) south through the Santa Marta 

 district of Colombia (Mamatoco, Bonda, Fundaci6n, Rio Frio, the 

 Cienaga Grande and lower Magdalena River; unknown from the 

 interior of Colombia) ; Venezuela and the Guianas to western Ecuador 

 (Vinces; Babahoyo) and northwestern Peru (Peric6; Guajango; 

 Lambadero); Bolivia (Provinces of Cliiquitos and Moxos; Caiza; 

 Tatarenda); Paraguay (Sapucay; Chaco; Puerto Pinasco), and to 

 southeastern Brazil (Rio Grande do Sul).' 



Recorded, but without substantiating evidence, from Costa Rica 

 and Mexico. 



Type locality. — Cayenne. 



Falco meridionalis Latham, Index Orn., i, 1790, 36 (Cayenne; based on Rufous- 

 headed Falcon Latham, Synop. Suppl., p. 33, No. 107). — Daudin, Trait6 

 d'Orn., ii, 1800, 112 (Cayenne).— Shaw, Gen. Zool., vii, pt. 1, 1809, 178 

 (Cayenne). — Vieillot, Nouv. Diet. Hist. Nat., xxiii, 1818, 451 (Guiana). 



Asturina meridionalis Kaup, Isis, 1847, 204 (monogr.), 367, 375, 379; in Jardine's 

 Contr. Orn., 1850; 681. 



Morphnus meridionalis Gray, List Spec. Brit. Mus., pt. 1, Accip., ed. 2, 1848, 21 

 (South America; Mexico). 



Uruhitinga meridionalis Bonaparte, Consp. Gen. A v., i, 1850, 30. — Sclater and 

 Salvin, Proc. Zool. Soc. London, 1867, 589 (Mexiana Island, Brazil); 1869, 

 252 (Plains of Valencia, Venezuela); Nom. Av. Neotr., 1873, 119 part; 

 Proc. Zool. Soc. London, 1879, 637 (prov. Chiquitas and Moxos, Bolivia). — 

 Pelzeln, Orn. Bras., Abth. 1, 1868, 2; Abth. 4, 1870, 394.— Wyatt, Ibis, 

 1871, 117 (Puerto Naciondl, Colombia), 382 (near Aguachica, Colombia). — 

 Taczanowski, Proc. Zool. Soc. London, 1879, 241 (Guajango, Peru). — 

 Reichenow, Die Vogel, i, 1913, 391. 



Uruhitinga (Spizigeranus) meridionalis Ridgway, Proc. Boston Soc. Nat. Hist., 

 xvi, 1873, 63 (South America). 



Hypomorphnus ineridionalis Bonaparte, Rev. Mag. Zool., vi, 1854, 537. 



Buteogalhis meridionalis Sclater, Proc. Zool. Soc. London, 1860, 288 (Babahoyo, 

 w. Ecuador; habits; food; color of unfeathered parts). — Berlepsch, Journ. 

 fiir Orn., 1884, 319 (Aguachica, Colombia). 



Buteo meridionalis Schlegel, Mus. Pays-Bas, ii. No. 6, livr. 2, 1863, 17 (monogr.) ; 

 No. 36, livr. 10, 1873, 110.— Gray, Hand-list, i, 1869, 9, No. 76. 



Heterospizias meridionalis Sharpe, Cat. Birds Brit. Mus., i, 1874, 160 (Merida, 

 Venezuela; Mexiana Island, Brazil; Mexico), 457 (Bolivia); Hand-list, i, 

 1899, 254.— GuRNEY, Ibis, 1876, 66; List Diurn. Birds Prey, 1884, 78.— 

 Ridgway, U. S. Geol. and Geogr. Surv. Terr., ser. 2, Bull. 2, 1876, 139 (monogr; 

 Colombia; Para, Brazil). — Taczanowski, Orn. de P^rou, i. 1884, 110. — Ber- 

 lepsch, Proc. Zool. Soc. London, 1885, 119 (Babahoyo, w. Ecuador) ; Journ. fiir 

 Orn., 188 7, 123 (Paraguay); Nov. Zool.,xv, 1908, 292 (Cayenne).— Salvin, Ibis, 



^ Birds from western Ecuador and northwestern Peru are tentatively placed 

 in this race, but seem to be close to the larger, southern (Argentinian) form 

 rufulus. 



