( 413 ) 
[398. Herpetotheres cachinnans (Linn.). 
Faleo cachinnans Linnaeus, Syst. Nat. x. p. 90 (1758.—ex Rolander : “ America meridionalis.” hab. 
subst. Surinam, auct. Berlepsch, Nov. Zool. xv. p. 290). 
Herpetotheres cachinnans Pelzeln, l.c. p. 7 (Borba). 
Right bank : Borba (Natterer). ] 
399, Elanoides forficatus (Linn.). 
Falco forficatus Linnaeus, Syst, Nat. x. p. 89 (1758.—ex Catesby : Caroliaa), 
Nos. 689, 690, 694. do ad., S. Isabel, Rio Preto, 12, 14. x. 1907.—* Iris 
brown, feet dark grey, bill black.” 
This is a common winter visitor to Brazil. Natterer met with it near Para and 
at various localities in S. Paulo.* 
400. Leptodon uncinatus (Temm.). 
Faleo uncinatus Temminck, ec, Pl. col. tab, 103, 104, 115 (1822.—“ depuis les environs de Rio-de- 
Janeiro jusque vers le nord du Brésil et dans toute la Guiane”’). 
No. 521. Juv, (not sexed), Calama, 7. ix. 1907.—Wing 285; tail 200 mm, 
“Tris bluish white, feet yellow, bill black.” 
Identical with specimens in corresponding plumage from Guiana, etc. 
401. Gampsonyx swainsonii Vig. 
Gampsonyx Swainsonii Vigors, Zoolog. Journ. ii. p. 69 (1825.—Bahia, Brazil). 
No. 438. ? imm., Calama, 22. viii. 1907.—“ Iris red, feet yellow, bill black.”— 
Wing 165 ; tail 102 mm. 
Not different from Venezuelan (Caura) specimens, This little Falcon has a 
wide range in Central and South America. 
402. Harpagus bidentatus (Lath.). 
Faico bidentatus Latham, Jnd. Orn. i. p. 38 (1790.—“ Cayana ”). 
Harpagus bidentatus Pelzeln, l.c. p. 5 (Salto Girao, Borba). 
No. 270. ¢o juv., Calama, 25. vii. 1907—“TIris yellowish red, feet yellow, 
bill black.” 
This bird is in transition from the white-bellied juvenile plumage into the 
rufous-bellied of the adult. The thighs are buffy white. 
403. Ictinia plumbea (Gm.). 
Falco plumbeus Gmelin, Syst. Nat. 1, i. p. 283 (ex Latham: Cayenne). 
TIetinia plumbea Hellmayr, Nov. Zool, xiv. p. 406 (Humaytha). 
No. 358. ¢ ad., Calama, 9, viii. 1907.—Wing 280; tail 130 mm. “ Iris red, 
feet yellow, bill black.” 
[404. Lophostrix cristata (Dand.). 
Strix cristata Daudin, Traité d’ Orn. ii. p. 207 (1800.—“ Guiane ” se. Cayenne). 
Bubo cristatus Pelzeln, /.c. p. 9 (Borba). ; 
Right bank : Borba (Natterer). 
Ranges from Guiana to Lower Amazonia and Eastern Ecuador. | 
* Pelzeln, Orn, Bras, i. 1867, p. 6: Nauclerus furcatus. 
