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Townsend's Warbler. Arctic Blue-bird. Western Blue-bird (Plate CCCXCIII) Dendroica townsendii. Mountain Bluebird, Sialia currucoides. Sialia mexicana
细节
Townsend's Warbler. Arctic Blue-bird. Western Blue-bird (Plate CCCXCIII)
Dendroica townsendii. Mountain Bluebird, Sialia currucoides. Sialia mexicana
Hand-colored engraving with aquatint and etching, on J Whatman dated 1837, small marginal stain in upper left corner, short tear to upper margin, otherwise in very good condition.
Plate: 19 3/8 x 12 5/16 in. (491 x 312 mm)
Sheet: 39 7/16 x 26 7/8 in. (1002 x 671 mm)
Dendroica townsendii. Mountain Bluebird, Sialia currucoides. Sialia mexicana
Hand-colored engraving with aquatint and etching, on J Whatman dated 1837, small marginal stain in upper left corner, short tear to upper margin, otherwise in very good condition.
Plate: 19 3/8 x 12 5/16 in. (491 x 312 mm)
Sheet: 39 7/16 x 26 7/8 in. (1002 x 671 mm)