SYSTEMATIC LIST OF ILLUSTRATIONS. 
Page 
6. Falco nigriceps, Cassin — Plato XI - 8 
9. Hypotriorehis femoralis, Gray — Plate I - - 11 
18. Buteo swainsoni, Bonap. — Plates XII, XIII 1!) 
20. Buteo calurus, Cassin— Plate XIV - - 22 
26. Buteo elegans, Cassin— Plate II, adult— Plate III, young 28 
28. Buteo oxypterus, Cassin— Plate XV, fig. 2 30 
«28. Buteo fuligiuosus, Scl. —Plate XV, fig. 1. 
29. Buteo cooperi, Cassin — Plate XVI 31 
33. Asturina nitida, Bonap. — Plate LXIV, adult and young - - 35 
37. Rostrharaus sociabilis, D'Orb. —Plate LXV, figs. 1, 2, adult and young.. 38 
50. Scops mccallii, Cassin— Plate XXXIX . . 50 
°54. Syrnium occidentale, Xanlus — Plate LXVI. 
65. Trogon mexicanus, Swainson — Plate XL 65 
66. Crotophaga rugirostris, Sw. —Plate LXXXIV, fig. 1 71 
67. Crotophaga ani, Linn. — Tlate LXXXIV, fig. 2. 72 
77. Picus gairdneri, And. —Plate LXXXV, figs. 2, 3, male and female 91 
78. Picus nuttalli, Gambel— Plate XLI, fig. 2 93 
79. Picus scalaris, Wagler — Plate XLI, fig. 1 91 
84. Picoides dorsalis, Baird— Plate LXXXV, fig. 1 100 
86. Sphyropicus nuchalis, Baird— Plate XXXV, figs. 1, 2 
88. Sphyropicus williamsonii, Baird- -Plate XXXIV, fig. 1 105 
92. Centurus flaviventris, Sw. —Plate XLII 110 
93. Centurus uropygialis, Baird— Plate XXXVI Ill 
102. Trochilus alexandri, Bourc. &f Hals— Plate XLIV, fig. 3 133 
104. Selasphorus platycerus, Gould— Plate XLIII, figs. 1,2 135 
106. Atthis costae, Reichenb. —Plate XIX, male and female . „ 138 
107. Panyptila melanoleuca, Baird— Plate XVIII, fig. 1 141 
110. Chaetura vauxii, Dekay- Plate XVIII, fig. 2 145 
115. Chordeiles henryi, Cassin— Plate XVII 153 
116. Chordeiles texensis, Lawrence— Plate XLIV 154 
118. Ceryle americana, Boie— Plate XLV 159 
119. Momotus caeruliceps, Gould— Plate XLVI 161 
120. Pachyrhamphus aglaiae, Lafresn. — Plate XL VII, fig. 1, male. 164 
121. Bathmidurus major, Cab. —Plate XLVII, fig. 2, female 166 
127. Tyrannus vociferans, Sw. —Plate XLVIII 174 
128. Tyrannus couchii, Baird— Plate XLIX, fig. 1 175 
129. Tyrannus melancholicus, Vieill. — Plate XLIX, fig. 2 176 
131. Myiarchus mexicanus, Baird — Plate V 179 
133. Myiarchus lawrencii, Baird — Plate XLVII, fig. 3 - 181 
144a. Empidonax difficilis, Baird— Plate LXXVI, fig. 2 198 
The figures to the left of the name refer to the systematic list of North American birds in the first volume. 
