APPENDIX. 
227 
12. Sialia mexicana, (Swains.) California Blue Bird, a, cf ad. ; d, 9 ab. 
13. Sialia arctica, (Swains.) Rocky Mountain Blue Bird, a, cf ad. ; b, 9 
ad. 
14. Regulus calendula, (Linn.) Ruby-crowned Kinglet, cf ad. 
15. Regulus satrapa, (Licht.) Golden-crowned Kinglet, a, cf ad.; a, 9 - 
16. Polioptila cserulea, (Linn.) Blue-gray Gnatcatcher. a, cf juv. 
Family CERTHXID^R: Tree Creepers. 
17. Certhia familiaris, / 3 . americana, (Bonap.) Brown Creeper. 
Family PARID^E : Titmice or Chickadees. 
18. Lophopbanes inornatus, (Gamb.) Gray Titmouse, a, adult. 
19. Parus montanus, (Gamb.) Mountain Chickadee, a, adult. 
20 Parus atricapillus, / 3 . septentrionalis, (Harris.) Long-tailed Chickadee. 
a, adult. 
21. Psaltriparus plumbeus, (Baird.) Lead-colored Least Tit. a, cf ad. 
Family SITTID^ : Nuthatches. 
22. Sitta carolinensis, j 3 . aculeata, (Cass.) Slender-billed Nuthatch, a, cf 
ad. ; b, 9 ad. 
23. Sitta canadensis, (Linn.) Red-bellied Nuthatch. 
24. Sitta Pygmsea, (Vig.) Pigmy Nuthatch, a, cf ad.; b, 9 ad. 
Family TROGLODYTID^E : Wrens. 
25. Catherpes mexicanus, / 3 . conspersus, (Ridgw.) Canon Wren, a, cf ad. 
26. Salpinctes obsoletus, (Say.) Rock Wren, a, cf ad. ; b, 9 ad. 
27. Troglodytes rndon, j8. parkmanni, (Aud.) Parkmann’s Wren, a, cf ad. ; 
b, 9 ad. ; c, d, e, f, g, h, young. 
28. Telmatodytes palustris, j 3 . paludicola, (Baird.) Tule Wren, a, ad. 
Family MOTACILLIDvE : Wagtails, 
and Titlarks, or Pipits. 
29. Anthus ludovicianus, (Gm.) American Titlark, a, cf ad. ; b, 9 ad. 
[Breeding abundantly on mountains above timber-line, at an altitude of 
about 12,000 feet !] 
30. Neocorys spraguei, (Aud.) a, ad. 
Family MNIOTILTIDyE : American Warblers. 
31. Dendroeca auduboni, (Towns.) Audubon’s Warbler, a, cf ad.; b, 9 
ad. ; c, juv. 
32. Dendroeca coronata, (Linn.) Yellow-rump Warbler, a, cf ad. ; b, 9 
ad. 
33. Dendroeca nigrescens, (Towns.) Black-throated Gray Warbler, a, cf ad. 
34. Dendroeca aestiva, (Gm.) Golden Warbler; Summer Yellow Bird, a, 
cf ad. ; b, 9 ad. 
35. Parula americana, (Linn.) Blue Yellow-back Warbler, a, cf ad. 
36. Helminthophaga celata, (Say.) Orange-crowned Warbler, a, ad. 
37. Helminthophaga peregrina, (Wils.) Tennessee Warbler, a, cf ad. ; b, 
9 ad. 
38. Geothlypis trichas, (Linn.) Maryland Yellow-throat, a, cf ad. ; b, 9 
ad. 
