98. _Agelæus flavus_ (Gm.). (Yellow-headed Marsh-bird.) 98 99. _Agelæus ruficapillus_, Vieill. (Red-headed Marsh-bird.) 99 100. _Leistes superciliaris_, Bp. (Red-breasted Marsh-bird.) 100 101. _Amblyrhamphus holosericeus_ (Scop.). (Scarlet-headed Marsh-bird.) 101 102. _Pseudoleistes virescens_ (Vieill.). (Yellow-breasted Marsh-bird.) 102 103. _Trupialis militaris_ (Linn.). (Patagonian Marsh-Starling.) 104 104. _Trupialis defilippii_, Bp. (De Filippi's Marsh-Starling.) 105 105. _Icterus pyrrhopterus_, Vieill. (Chestnut-shouldered Hang-nest.) 107 106. _Aphobus chopi_ (Vieill.). (Chopi Boat-tail.) 108 Fam. XII. CORVIDÆ, or CROWS. 107. _Cyanocorax chrysops_ (Vieill.). (Urraca Jay.) 110 108. _Cyanocorax cæruleus_ (Vieill.). (Azure Jay.) 110 Fam. XIII. TYRANNIDÆ, or TYRANTS. 109. _Agriornis striata_, Gould. (Striped Tyrant.) 111 110. _Agriornis maritima_ (d'Orb. et Lafr.). (White-tailed Tyrant.) 112 111. _Myiotheretes rufiventris_ (Vieill.). (Chocolate Tyrant.) 112 112. _Tænioptera nengeta_ (Linn.). (Pepoaza Tyrant.) 114 113. _Tænioptera coronata_ (Vieill.). (Black-crowned Tyrant.) 115 114. _Tænioptera dominicana_ (Vieill.). (Dominican Tyrant.) 117 115. _Tænioptera irupero_ (Vieill.). (Widow Tyrant.) 118 116. _Tænioptera murina_ (d'Orb. et Lafr.). (Mouse-brown Tyrant.) 119 117. _Tænioptera rubetra,_ Burm. (Chat-like Tyrant.) [Plate VII.] 120 118. _Ochthœca leucophrys_ (d'Orb. et Lafr.). (White-browed Tyrant.) 121 119. _Sayornis cineracea_ (Lafr.). (Ashy Tyrant.) 121 120. _Fluvicola albiventris_ (Spix). (White-bellied Tyrant.) 121 121. _Arundinicola leucocephala_ (Linn.). (White-headed Tyrant.) 122 122. _Alectrurus tricolor_ (Vieill.). (Cock-tailed Tyrant.) 122 123. _Alectrurus risorius_ (Vieill.). (Strange-tailed Tyrant.) 123 124. _Cybernetes yetapa_ (Vieill.). (Yetapa Tyrant.) 124 125. _Sisopygis icterophrys_ (Vieill.). (Yellow-browed Tyrant.) 125 126. _Cnipolegus anthracinus,_ Heine. (Ashy-black Tyrant.) 126 127. _Cnipolegus hudsoni_, Scl. (Hudson's Black Tyrant.) 126 128. _Cnipolegus cyanirostris_ (Vieill.). (Blue-billed Tyrant.) 127 129. _Cnipolegus cabanisi_, Schulz. (Cabanis's Tyrant.) 128 130. _Cnipolegus cinereus_, Scl. (Cinereous Tyrant.) 128 131. _Lichenops perspicillatus_ (Gm.). (Silver-bill Tyrant.) 129 132. _Machetornis rixosa_ (Vieill.). (Short-winged Tyrant.) 131