F. H. Knowlton

81 public-domain plates in the archive

• Bombus sp. 11 Aug 1903
• Catharus ustulatus almae 27 Jul 1890
• Pinicola enucleator montanus 11 Sep 1890
• Catharus ustulatus almae 27 Jul 1890
• Junco hyemalis mearnsi 9 Sep 1890
• Cinclus mexicanus unicolor 30 Jul 1890
• Perisoreus canadensis capitalis 27 Jul 1890
• Perisoreus canadensis capitalis 27 Aug 1890
• Certhia americana montana 27 Aug 1889
• Regulus satrapa amoenus 28 Aug 1890
• Junco hyemalis mearnsi 26 Jul 1890
• Calamospiza melanocorys Jul 1889
• Junco hyemalis mearnsi 27 Jul 1890
• Junco hyemalis mearnsi 27 Jul 1890
• Zonotrichia leucophrys gambelii 30 Jul 1890
• Melospiza melodia montana 27 Sep 1889
• Junco hyemalis mearnsi 7 Sep 1890
• Junco hyemalis mearnsi 9 Sep 1890
• Chondestes grammacus grammacus 19 Jul 1890
• Spizella breweri breweri 5 Sep 1889
• Melospiza lincolnii alticola 29 Jul 1890
• Junco hyemalis dorsalis Aug 1889
• Calcarius mccownii 20 Jul 1890
• Spizella passerina arizonae 2 Sep 1890
• Junco hyemalis mearnsi 7 Sep 1890
• Catharus guttatus auduboni 20 Aug 1889
• Piranga flava hepatica 7 Sep 1889
• Chordeiles minor hesperis 20 Jul 1890
• Tringa melanoleuca 18 Sep 1888
• Piranga ludoviciana 26 Jul 1890
• Calidris bairdii 27 Aug 1889
• Junco hyemalis caniceps 10 Sep 1889
• Pica hudsonia 19 Sep 1888
• Salpinctes obsoletus obsoletus 30 Aug 1890
• Eremophila alpestris leucolaema 19 Sep 1888
• Cinclus mexicanus unicolor 28 Aug 1890
• Cinclus mexicanus unicolor 28 Aug 1890
• Eremophila alpestris ammophila 10 Oct 1889
• Nucifraga columbiana 8 Sep 1890
• Cinclus mexicanus unicolor 28 Aug 1890
• Cinclus mexicanus unicolor 28 Aug 1890
• Carpodacus mexicanus frontalis 13 Sep 1889
• Perisoreus canadensis capitalis 2 Sep 1890
• Perisoreus canadensis capitalis 15 Sep 1890
• Perisoreus canadensis capitalis 27 Jul 1890
• Eremophila alpestris leucolaema 19 Sep 1888
• Picoides tridactylus dorsalis 24 Aug 1890
• Sphyrapicus thyroideus 12 Sep 1889
• Picoides pubescens leucurus 8 Sep 1890
• Picoides pubescens medianus -- -- 19--
• Sphyrapicus thyroideus nataliae 30 Aug 1898
• Circus cyaneus hudsonius 23 Aug 1890
• Sphyrapicus thyroideus nataliae 30 Jul 1890
• Parus inornatus ridgwayi 5 Oct 1889
• Parus inornatus ridgwayi 27 Sep 1889
• Sturnella magna magna 1 Apr 1890
• Parus atricapillus septentrionalis 18 Sep 1888
• Contopus sordidulus veliei 25 Aug 1889
• Parus atricapillus septentrionalis 18 Sep 1888
• Quiscalus quiscula versicolor Apr 1884
• Empidonax oberholseri 13 Aug 1890
• Stellula calliope calliope 12 Aug 1890
• Quiscalus quiscula versicolor Apr 1884
• Pheucticus melanocephalus melanocephalus 14 Sep 1889
• Quiscalus quiscula versicolor 28 Apr 1879
• Toxostoma redivivum sonomae 16 Oct 1889
• Empidonax hammondii 19 Aug 1890
• Parus atricapillus septentrionalis 18 Sep 1888
• Certhia americana montana 27 Sep 1889
• Molothrus ater obscurus 9 Oct 1889
• Quiscalus quiscula versicolor Apr 1884
• Tachycineta bicolor 29 Sep 1888
• Pinicola enucleator
• Tringa glareola 19 Dec 1889
• Zapus hudsonius acadicus 23 Aug 1886
• Zapus hudsonius acadicus 23 Aug 1886
• Bombus sp. 17 Aug 1903
• Tamias striatus lysteri 24 Aug 1886
• Tamias striatus lysteri 24 Aug 1886
• Microtus pennsylvanicus pennsylvanicus 23 Aug 1886
• Bombus sp. 11 Aug 1903