230 
APPENDIX. 
99. Molothrus ater, (Bodd.) Cow Blackbird, a, cf ad. ; b, 9 ad. 
100. Xanthocephalus icterocephalus, (Bonap.) Yellow-headed Blackbird. 
a, cf ad. ; b, 9 ad. ; c, pullus. 
101. Agelseus phoeniceus, (Linn.) Red-and-buff-shouldered Blackbird, a, 
cf ad. ; b, 9 ad. 
102. Sturnella neglecta, (Aud.) Western Meadow Lark, a, cf ad. ; b, 9 ad. 
103. Icterus bullocki, (Swains.) Bullock’s Oriole, a, cf ad. ; b, 9 ad. ; c, 
juv. 
104. Icterus baltimore, (Linn.) Baltimore Oriole, a, cf ad. 
105. Scolecophagus cyanocephalus, (Wagl.) Brewer’s Blackbird, a, cf ad. ; 
b, 9 ad. 
Family CORVIDAE : Ravens, Crows and Jays. 
106. Corvus corax, /3. carnivorus, (Bartram.) American Raven, a, ad. ; b, 
juv. 
107. Corvus cryptoleucus, (Couch.) White-necked Raven, a, ad. ; b, c, 
juv. 
108. Corvus americanus, (Aud.) Common Crow, a, b, c. [Breeds in 
Colorado !] 
109. Picicorvus columbianus, (Wils.) Clarke’s Nutcracker, a, cf ad. ; b, 9 
ad. 
no. Gymnokitta cyanocephala, (Max.) Maximilian’s Nutcracker, a, 9 ad. 
in. Pica rustica, /3. hudsonica, (Sabine.) American Black-billed Magpie, 
a, cf ad. : b, 9 ad. ; c, juv. 
1 12. Perisoreus canadensis, /3. capitalis, (Baird.) White-headed Gray Jay. 
a, cf ad. ; winter pi. ; b, cf ad. ; summer pi. ; c, juv. 
113. Cyanocitta macrolopha, (Baird.) Long-crested Jay. a, cf ad. ; b, 9 
ad. ; c, d, e, juv. 
114. Aphelocoma woodhousii. (Baird.) Woodhouse’s Jay. a, ad. 
Family ALAUDXD^E : Larks. 
115. Eremophila alpestris, (Forst.) Shore-Lark, a, b, adults. 
116. Eremophila alpestris, y, leucolsema, (Coues.) White-throated Shore 
Lark, a, b, c, adults ; d, 9 ad. ; e, juv. 
Family TYRANNIDHl : Tyrant Flycatchers. 
117. Tyrannus carolinensis, (Linn.) Eastern Kingbird, a, cf ad. ; b, 9 ad. 
1 18. Tyrannus verticalis, (Say.) Western Kingbird, a, <f ad. ; b, 9 ad. 
1 19. Tyrannus vociferans, (Swains.) Cassin’s Kingbird, a, cf ad. 
120. Contopus borealis, (Swains.) Olive-sided Flycatcher, a, cf ad. ; b, 
9 ad. 
121. Contopus richardsoni, (Swains.) Richardson’s Pewee. a, cf ad ; b, 
9 ad. 
122. Sayornis sayus, (Bonap.) Say’s Pewee. cf a, ad. 
123. Empidonax pusillus, (Swains.) Little Flycatcher ; Trail's Flycatcher, 
a, cf ad. ; b, 9 ad. c, juv. 
124. Empidonax difficilis, (Baird.) Western Flycatcher, a, cf ad. ; b, 9 ad. 
125. Empidonax obscurus, (Swains.) Wright’s Flycatcher, a, cf ad. 
126. Empidonax hammondi, (Xantus.) Hammond's Flycatcher, a, 9 ad. 
127. Empidonax minimus, (Baird.) Least Flycatcher. 
Family CAPRIMULGID^E: Night-jars. 
128. Antrostomus nuttalli, (Aud.) Poorwill. a, cf ad. ; b, 9 ad. 
129. Chordeiles popetue, /3. henryi, (Cass.) Western Night Hawk, a, cf 
ad. ; b, 9 ad. ; c, d, juv. 
