70. icTiNiA. 365 



Young. Above slaty black, tbe feathers of the back very narrowly 

 margined with whitish, the secondaries a little more broadly, the 

 head and neck streaked with white ; quills black, tipped with white, 

 the former more or less rufous on the base of the inner web ; imder 

 surface whitish, the throat thickly, the breast broadly streaked with 

 slaty black ; thighs deep slate-colour, barred with white ; under 

 tail-coverts whitish, with large subterminal spots of greyish black ; 

 under wing-coverts slaty black, faintly barred and tipped with 

 white ; tail black, tipped with white and spotted with the same on 

 the inner web, forming three bars (one concealed by the under tail- 

 coverts) underneath, not very distinct. 



Hab. From Mexico throughout Central America to Brazil. 



a. c? ad. sk. S. America. D. W. Mitchell, Esq. [P.]. 



6. Ad; sk. Para. _ A. R. Wallace, Esq. [C.]. 



c. c? .juv. sk. Concordia, New Granada. T. K. Salmon, Esq. [C.]. 



d. Ad. sk. Guatemala. Purchased. 



e. Skeleton. Purchased. 



2. Ictiuia mississipieusis. 



Falco mississipieusis, Wils. Am. Om. iii. p. 80, pi. 25. fig. 1 (1811). 



Falco ophiophagus, Vieill. N. Diet. d'Sist. Nat. xi. p. 103 (1817). 



Ictinia ophiophaga, Vieill. et Oud. Gal. Ois. p. 44, pi. 17 (1825). 



Nertus mississipieusis, Boie, Isis, 1828, p. 314. 



Milvus mississipieusis, Cuv. R'egne An. i. p. 335 (1829). 



Falco plumbeus, Audub. B. Am. pi. 117, et Orn. Biogr. ii. p. 108 



(18.34). 

 Ictinia plumbea, Bp. Comp. List B. Eur. ^ N. Am. p. 4 (J838). 

 Ictiuia mississipieusis, Gray, Gen. B. i. p. 26 (1845) ; Bp. Consp. 



i. p. 22 (1850) ; Cass. B. Calif. ^ Texas, p. 106 (1855) ; Strickl. 



Orn. Syn. p. 140 (1855) ; Cass, in Baird's B. N. Am. p. 37 (1860) ; 



Schl. Mus. P.-B. Milvi, p. 10 (1862) ; Dresser, Ibis, 1865, p. 327; 



Gray, Hand-l. B. i. p. 28 (1869) ; Coues, Key N. Am. B. p. 211 



Adult. Above leaden black, the tail uniform with the back, but 

 totally unbarred with white ; primaries black, with deep chestnut 

 near the base, concealed by the feathers overlapping ; the secondaries 

 ashy grey, inclining to whitish, except the innermost, which are 

 uniform with the back ; entire head and neck all round clear grey, 

 a patch in front of the eyes black ; under surface clear grey, the 

 throat and under tail-coverts white ; under wing-coverts greyish, 

 paler on the inner, darker on the outer margin of the wing ; bill 

 black ; feet orange-red ; iris deep lake-red. Total length 13-5 inches, 

 culmen 0-95, wing 11-8, tail 6, tarsus 1-55. 



Hah. Southern States of North America, ranging through Central 

 America as far south as Guatemala. 



