I 89 8. Tyrannus vociferans.Cassin's KincBirD.-Veryabundant, taking the place of the Kingbird of the East, but not so pugnacious as the latter.Breeds, and after the nesting season was over they used to gather in some cottonwood trees near the house about dusk, and keep up a continuous shrieking, calling, and fighting until long after dark.Probably raises two broods a year.g. Contopus richardsonii.WrESTERN Woop Pewee.-Fairly common.Breeds, and while nesting does not hesitate to attack anything venturing in the neighborhood of its nest.10. Icterus parisorum.Scorr's ORIOLE.-Rare;only one specimen taken, but I thought I saw it again.11. Spizella socialis.CHIPPING SPARROW.-Afew of these came in the fall with the flocks of other Sparrows that arrived then.12. Junco hyemalis shufeldti.ScnuFELDT's JuNco.-Thesebecame common in flocks towards the end of October and were sometimes associated with the other Sparrows.13. Zonotrichia leucophrys intermedia.INTERMEDIATE SPARROW.-Uncommon.These also appeared in the fall.14. Hirundo erythrogaster.BARN SwaLLtow.-Abundantwhere there were suitable places for it to breed.Found them nesting June r.15. Lanius ludovicianus excubitorides.WHITE-RUMPED SHRIKE.-Common and probably breeding.16. Harporhynchus curvirostris.CURVE-BILLED THRASHER.-Abundantand breeds, being very fond of the cactus for a nesting site, and probably raising two broods a year.This bird is a sweet songster and is often kept as a cage-bird.17.Harporhynchus crissalis.CrissAL THRASHER.-Rare.I saw but few of them and principally in the fall.18. Parus inornatus griseus.GRAY TiTMouseE.-Fairly common, singly and in pairs.19. Psaltriparus plumbeus.LEAD-coLORED BusH-TIT.-Common,and found generally in flocks in the groves of small pines and firs.More noticeable in the fall.