Xx Birds of Colorado 
(B) Birds breeding on the plains, and in the foothills 
and parks as well, up to about 8,000 feet—80 in number, 
or about 36 per cent. :— 
Colymbus n. californicus, Larus delawarensis, Anas 
platyrynchos, Chaulelasmus streperus, Mareca americana, 
Nettion carolinensis, Querquedula discors, Q. cyanoptera, 
Spatula clypeata, Aix sponsa ?, Erismatura jamaicensis, 
Branta canadensis, Plegadis guarauna, Botaurus lenti- 
ginosus, Ardea herodias, Egretta candidissima, Nycticorax 
n. nevius, Rallus virginianus, Porzana carolina, 
Steganopus tricolor, Recurvirostra americana, Himantopus 
americanus, Helodromas s. cinnamomeus, Podasocys 
montana, Numenius americanus, Bonasa u. umbelloides ?, 
Pediocetes p. campestris, Centrocercus urophasianus, 
Meleagris g. merriami, Circus hudsonius, Accipiter velox, 
A. cooperi, Falco p. anatum?, F. columbarius, Asio 
flammea ?, Otus a, marwellie, O. a. atkeni, Speotyto c. 
hypogea, Coccyzus americanus, C. a. occidentalis, 
Melanerpes erythrocephalus, Phalenoptilus  nuttalli, 
Tyrannus tyrannus, T. verticalis, T. cassini, Myiarchus 
cinerascens, Sayornis saya, Empidonax trailli, Corvus 
6. hesperis, Dolichonyx oryzivorus, Molothrus ater, 
Xanthocephalus xanthocephalus, Agelaius pheniceus, 
Sternella neglecta, Icterus bullocki, Astragalinus tristis, 
A. t. pallidus, A. psaliria, A. p. arizone, Powcetes g. 
strigatus, Spizella breweri, Amphispiza nevadensis ?, 
Melospiza m. montana, Pipilo montanus, P. f. mesoleucus 2, 
Zamelodia melanocephala, Passerina amena, Calamospiza 
melanocorys, Progne subis, Petrochelidon  lunifrons, 
Bombycilla cedrorum ?, Lanius excubitoroides, Oroscoptes 
montanus, Mimus p. leucopterus, Dumetella carolinensis, 
Toxostoma rufum, Catherpes m. conspersus, Telma- 
todytes p. plesius, Polioptila c. obscura, Hylocichla f. 
salicicola. 
