65. _Poospiza melanoleuca_ (Vieill.). (White-and-Grey Warbling Finch.) 52 66. _Phrygilus gayi_ (Eyd. et Gerv.). (Gay's Finch.) 52 67. _Phrygilus caniceps_ (Burm.). (Grey-headed Finch.) 53 68. _Phrygilus dorsalis_, Cab. (Red-backed Finch.) 53 69. _Phrygilus unicolor_ (d'Orb. et Lafr.). (Slaty Finch.) 53 70. _Phrygilus fruticeti_ (Kittl.). (Mourning Finch.) 54 71. _Phrygilus carbonarius_ (d'Orb. et Lafr.). (Blackish Finch.) 54 72. _Gubernatrix cristatella_ (Vieill.). (Yellow Cardinal.) 55 73. _Diuca grisea_ (Less.). (Diuca Finch.) 55 74. _Diuca minor_, Bp. (Lesser Diuca Finch.) 56 75. _Catamenia analis_ (d'Orb. et Lafr.). (Red-stained Finch.) 57 76. _Catamenia inornata_ (Lafr.). (Plain-coloured Finch.) 57 77. _Zonotrichia pileata_ (Bodd.). (Chingolo Song-Sparrow.) 58 78. _Zonotrichia canicapilla_, Gould. (Patagonian Song-Sparrow.) 59 79. _Zonotrichia strigiceps_, Gould. (Stripe-headed Song-Sparrow.) 60 80. _Zonotrichia hypochondria_ (d'Orb. et Lafr.). (Red-flanked Song-Sparrow.) 60 81. _Coturniculus peruanus_, Bp. (Yellow-shouldered Song-Sparrow.) 60 82. _Saltatricula multicolor_, Burm. (Many-coloured Ground-Finch.) [Plate V.] 61 83. _Embernagra platensis_ (Gm.). (Red-billed Ground-Finch.) 62 84. _Embernagra olivascens_ (d'Orb. et Lafr.). (Olive Ground-Finch.) 63 85. _Emberizoides sphenurus_ (Vieill.). (Wedge-tailed Ground-Finch.) 63 86. _Hæmophila whitii_ (Sharpe). (White's Ground-Finch.) 64 87. _Chrysomitris icterica_ (Licht.). (Black-headed Siskin.) 64 88. _Chrysomitris atrata_ (d'Orb. et Lafr.). (Half-black Siskin.) 65 89. _Sycalis pelzelni_, Scl. (Yellow House-Sparrow.) 66 90. _Sycalis lutea_ (d'Orb. et Lafr.). (Yellow Seed-Finch.) 69 91. _Sycalis luteola_ (Sparrm.). (Misto Seed-Finch.) 69 92. _Orospina pratensis_, Cab. (Meadow Seed-Finch.) 71 Fam. XI. ICTERIDÆ, or TROUPIALS. 93. _Amblycercus solitarius_ (Vieill.). (Solitary Cassique.) 72 94. _Molothrus bonariensis_ (Gm.). (Argentine Cow-bird.) 72 95. _Molothrus rufoaxillaris_, Cassin. (Screaming Cow-bird.) [Plate VI. fig. 2.] 86 96. _Molothrus badius_ (Vieill.). (Bay-winged Cow-bird.) [Plate VI. fig. 1.] 95 97. _Agelæus thilius_ (Mol.). (Yellow-shouldered Marsh-bird.) 97