508 



6. Ortalis canicoUis. 



El Yacu-caragiiata, Azara, Apunt. iii. p. 77, no. 336 (1802). 

 Penelope canicollis, Wagl. Isis, 1830, p. 1112 [Paraguay]; Bur- 



meister, Reise La Plata, ii. p. 499 (1861). 

 Ortalida canicollis, Wagl. Isis, 1832, p. 1227; Hartl. Syst. hid. 



Azara, p. 22 (1817) ; Graij, Hand-l. B. ii. p. 252 (1870) ; v. Pet. 



Orn. Bras. p. 286 (1870) [Villa Maria, Upper Paraguay] ; Sclat. 



8f Salvin, P. Z. S. 1870, p. 531 [Rio Parana & Rio VermejoJ ; 



Burmeister, P. Z. S. 1871, p. 701 [Tucuuian]. 

 Penelope caraguata, Nutterer MS., fide v. Pelz. Orn. Bras. p. 286 



(1870). 

 Ortalis canicollis, Salvin, Ibis, 1880, p. 363 [Tucumau and Salta, 



Arg. Rep.] ; Berlej)Sfh, J. f. 0. 1887, p. 125 ; Sclat. S,- Hudson, 



Arc/. Orn. ii. p. 147 (1889) [Paraguay & N. Argentine] ; Kerr, 



Ibis, 1892, p. 148 [Lower Pilcomayo]. 

 Ortalida guttata, White, P. Z. S. 1882, p. 627 [Salta]. 

 Ortalis guttata, Berlepsch, J.f. 0. 1887, p. 133. 



Adult. Very similar to 0. rujtccmda, but the chest and upper 

 breast are darker and of a more olive-grey colour, and the chestnut 

 tips of the outer tail-feathers are much wider and only developed on 

 the two outer pairs, whereas in 0. rujicauda all the tail-feathers 

 except the middle ones are tipped with chestnut. Total length 

 20 inches, wing 8'8, tail 9"9, tarsus 2-35, middle toe and claw 

 2-35. 



Hah. Paraguay, liio Parana, E.io Vermejo, Lower Pilcomayo, 

 Salta and Tucuman, Argentine Rep., Villa Maria, Upper Paraguay. 



a. 5 ad. sk. Tucuman, Argentine Republic, II. Durnford, Esq. 



June. [C]. 



b. ^ ad.sk. Salta, Argentine Republic, June. H. Durnford, Esq. 



[C.]- 



Ortalis albiventris. 



Penelope albiventris, Wagl. Isis, 1830, p. 1111. 



Ortalida albiventris, War/l. Isis, 1832, p. 1227 ; Grat/, List Gallinm 



Brit. Mus. p. 12 (1867); id. Hand-l. B. ii. p. 252 (1870); 



Sclat. ^ Salvin, P. Z. S. 1870, p. 535. 

 Penelope aThcunn, Max. (nee SpivjBeitr. Nat. Bras. iv. Abth. ii. p. 549 



(1833) [Babia, Minas Geraes] ; Bur^neister, Sj/st. Uebers. iii. 



p. 340 (1856). 

 Ortalida araucuan, Gray, List of B. pt. iii. Gall. p. 20 (1844). 

 Penelops albiventris, Reichenb. Syst Av. p. xxvi (1853). 

 Ortalida aracuan, v. Pelz. Orn. Bras. p. 285 (1870) [Babia]. 

 Ortalis albiventris, Forbes, Ibis, 1881, p. 357 [Macuca, Pernauibuco, 



N.E. Brazil]. 



Adult. Top of the head and nape brownish chestnut, most of 

 the feathers, especially those on the forehead, superciliary stripes, 

 and sides of the face rufous or rufous-buff; back of the neck, 

 mantle, wings, and upper tail-coverts olive-brown, with a slight 

 bronze or purplish gloss in freshly moulted specimens ; lower back 

 and rump mostly chestnut, rather browner down the middle ; a line 



