74 FALCONIDZ. 
Supra schistacea, pallide griseo regulariter transfasciata ; uropygio nigro, albo late marginato: subtus albo et 
griseo regulariter crebre transfasciata: gula et tectricibus subcaudalibus albis; remigibus et apicibus 
nigris, in pogonio interno albis nigro sparsim transfasciatis ; subalaribus albis, griseo fasciatis; cauda 
nigra, fascia integra alba notata, altera incompleta in dimidio proximo, apice albo; rostro nigro, cere et 
pedibus flavis. Long. tota circa 16-0, ale 10:3, caudz 6°8, tarsi 2°7, rostri a rictu 1°3. (Descr. femine 
ex Panama. Mus. nostr.) 
36 femine similis, sed paulo minor. 
Juv. Supra fusca; plumis ad basin albis; capite summo et cervice postica plerumque albis, plumis omnibus 
fusco terminatis; alis extus fuscis, fulvo variegatis et nigro transfasciatis ; remigibus medialiter cervinis 
nigro fasciatis, apicibus nigris: subtus lactescenti-alba, fusco guttata ; tibiis immaculatis ; alis subtus 
fere immaculatis pallide cervinis, remigibus tantum sparsim nigro fasciatis; cauda nigra, cervino trans- 
fasciata et terminata. (Descr. exempl. ex Chapada, Matto Grosso, Brazil. Mus. nostr.) 
Hab. PANAMA (M:Leannan * *).—Cotoms1a" ; EcuapoR; VENEZUELA; GuIANA’; AMa- 
zonS’; Braziu’. 
This species, which is widely distributed throughout the greater part of South 
America, extends as far north as Panama, where it was procured by M‘Leannan. In 
habits it appears to resemble in every respect its better-known northern representative, 
A. plagiata. 
2. Asturina plagiata. 
Buteo plagiatus, Licht. Nomencl. p. 3°. 
Asturina plagiata, Schl. Mus. Pays-Bas, Asturine, p. 1°; Scl. & Salv. P. Z. S. 1869, p. 130°; 
1870, p. 888‘; Ex. Orn. p. 179, t. 90°; Salv. Ibis, 1869, p. 817°; 1870, p. 1147; 1889, 
p- 874°; 1890, p. 89°; Cat. Strickl. Coll. p. 484°; Finsch, Abh. naturw. Ver. zu Bremen, 
1870, p. 825"; Lawr. Mem. Bost. Soc. N. H. i. p. 298%; Bull. U.S. Nat. Mus. no. 4, 
p. 39%; Sumichrast, La Nat. v. p. 236"; Sharpe, Cat. Birds Brit. Mus. i. p. 204"; 
Nutting, Pr. U. S. Nat. Mus. v. p. 403°; vi. pp. 377", 8388; Boucard, P. Z. S. 1883, 
5] 
p- 456°; Ferrari-Perez, Pr. U. S. Nat. Mus. ix. p. 166%; Zeledon, An. Mus. Nac. Costa 
Rica, 1887, p. 126"; Herrera, La Nat. (2) i. pp. 176, 320”; Stone, Pr. Ac. Phil. 1890, 
p- 205%; Allen, Bull. Am. Mus. N. H.v. p. 34"; Fisher, Bull. U. S. Dep. Agr. no. 3, 
p. 85”. 
Falco nitidus, Licht. Preis-Verz. Mex. Vog. p. 3 (nec Lath.), cf. J. f. Orn. 1863, p. 58; Wagler, 
Isis, 1831, p. 517. 
Asturina nitida (nec Lath.), Scl. P. Z. 8. 1857, pp. 201, 227”; 1859, pp. 368 *°, 889"; 1864 
p- 178”; Scl. & Salv. Ibis, 1859, p. 217; R. Owen, Ibis, 1861, p. 68; Salv. Ibis, 1866, 
p- 204°; v. Frantz. J. f. Orn. 1869, p. 369°. 
Morphnus schistaceus, Scl. P. Z. 8S. 1857, p. 227". 
Urubitinga ?, Sel. & Salv. Ibis, 1859, p. 216”. 
Asturina polionota, Cab. J. £. Orn. 1869, p. 208”. 
A. nitide similis, sed supra schistacea unicolor, griseo haud transfasciata; cera pedibusque flavis; iride 
pbrunnea. , 
Jw. Ab A. nitida juv. tibiis fusco-fasciatis dignoscenda. 
Hab. Nortn America, Texas, Arizona.—MeExico (Deppe & Schiede °, Wagler 2"), Hacienda 
de la Cruz, Rio Camacho in Nuevo Leon (Ff. B. Armstrong), Sierra Madre above 
