1910] Grinnell.—Birds: Alaska Expedition, 1908. 421 
4. Breeding land-birds of the Prince William Sound district 
which occur also quite generally throughout Alaska: 
Accipiter velox 
Archibuteo lagopus sancti-johannis 
Haliaeétus leucocephalus alascanus 
Ceryle aleyon caurina 
Corvus corax principalis 
Loxia leucoptera 
Hirundo erythrogaster palmeri 
Dendroica aestiva rubiginosa 
Anthus rubescens 
Cinclus mexicanus wnicolor 
5. Breeding land-birds oceurring in the Prince William 
Sound and Yukon districts but not in the Sitkan district : 
Bubo virginianus lagophonus 
Empidonax trailli alnorum 
Pica pica hudsonia 
Acanthis linaria linaria 
Passerculus sandwichensis alaudinus 
Junco hyemalis hyemalis 
Tachycineta thalassina lepida 
Certhia americana montana 
Txoreus naevius meruloides 
6. Breeding land-birds oceurring in the Prince William 
Sound and Sitkan districts but not in the Yukon district: 
Dryobates pubescens glacialis 
Selasphorus rufus 
Cyanocitta stelleri stelleri 
Corvus brachyrhynchos caurinus 
Pinicola enucleator flammula 
Leucosticte tephrocotis littoralis 
Melospiza lincolni gracilis 
Vermivora celata lutescens 
Dendroica townsendi 
Wilsonia pusilla pileolata 
Nannus hiemalis pacificus 
Regulus satrapa olivaceus 
Regulus calendula grinnelli 
7. Breeding land-birds of the Prince William Sound district 
which do not oceur in either the Yukon or Sitkan districts: 
Canachites canadensis atratus 
Lagopus rupestris kelloggae 
Melospiza melodia kenaiensis 
Passerella iliaca sinwosa 
Penthestes rufescens vivax 
Hylocichla guttata guttata 
8. Some land-birds of the Sitkan district not also found in 
the Prince William Sound district: 
Dendragapus obscurus fuliginosus 
Lagopus lagopus alexandrae 
Buteo borealis alascensis 
Dryobates villosus harrisi 
Sphyrapicus ruber ruber 
Colaptes cafer saturatior 
Empidonax difficilis 
Loxia curvirostra sitkensis 
Spinus pinus pinus 
Junco hyemalis oreganus 
Hylocichla ustulata ustulatu 
Planesticus migratorius caurinus 
9. Some land-birds of the Yukon district not also found in 
the Prinee William Sound district : 
Bonasa umbellus umbelloides 
Lagopus lagopus lagopus 
Surnia ulula caparoch 
Dryobates villosus leucomelas 
Picoides americanus americanus 
Buphagus carolinus 
Acanthis hornemanni exilipes 
Spizella monticola ochracea 
Zonotrichia leucophrys gambeli 
Lanius borealis invictus 
Dendroica striata 
Seiurus noveboracensis notabilis 
Penthestes hudsonicus hudsonicus 
Hylocichla aliciae 
