Introduction Xv 
candidissima ?, Grus americana, Porzana carolina, 
Steganopus tricolor, Recurvirostra americana, Himantopus 
mexicanus, Philohela minor, Cataptrophorus s. inornatus, 
Bartramia longicauda, Actitis macularia, Numenius 
americanus, Oxyechus vociferus, Podasocys montana, 
Columba fasciata, Cathartes a. septentrionalis, Pandion 
h. carolinensis, Coccyzus americanus, Coccyzus a. occi- 
dentalis, Sphyrapicus v. nuchalis, Sphyrapicus thyroideus, 
Melanerpes  erythrocephalus, Phalenoptilus  nuttalli, 
Chordeiles v. henryi, Cypseloides n. borealis, Aéronautes 
melanoleucus, Architrochilus alexandri, Selasphorus 
platycercus, Selasphorus rufus, Tyrannus tyrannus, 
Tyrannus verticalis, Tyrannus  cassini, Myiarchus 
cinerascens, Sayornis saya, Nuttallornis borealis, Myiochanes 
richardsont, Empidonax difficilis, H. trailli, EB. hammondi, 
E. wrighti, Dolichonyx oryzivorus, Molothrus ater, 
Xanthocephalus xanthocephalus, Icterus spurius, I. 
galbula, I. bullocki, Quiscalus q. eneus, Astragalinus 
psaltria, A. p.. arizone, Poecetes g. confinis, Passeri- 
culus s. alaudinus, Coturniculus s. bimaculatus, Chondestes 
g. strigatus, Zonotrichia leucophrys, Spizella p. arizone, 
S. pallida ?, S. brewert, Amphispiza 6b. deserticola, 
A. nevadensis ?, Peucea cassini ?, Melospiza lincolni, 
Pipilo montanus, Oreospiza chlorura, Zamelodia ludo- 
vciana, Z. melanocephala, Guiraca c. lazula, Passerina 
amena, Spiza americana, Calamospiza melanocorys, 
Pyranga ludoviciana, Progne subis, Petrochelidon lunifrons, 
Hirundo erythrogastra, Iridoprocne bicolor, Tachycineta 
t. lepida, Riparia riparia, Stelgidopteryx serripennis, 
Vireosylva olivacea, Vireosylva g. swainsoni, Lanivireo 
s. plumbeus, Vireo belli, Vermivora virginee, Vermivora 
celata ?, Dendroica estiva, D. auduboni, D. gracie, 
D. nigrescens ?, Oporornis tolmiet, Geothlypis t. occi- 
dentalis, Icteria v. longicauda, Wilsonia p. pileolata, 
