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Browse All : Images by Thomas Bridgford

1-15 of 15
Fig. 1. Thryothorus bew...
I. Thryothorus, Coturni...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Fig. 1. Thryothorus bewicki var. leucogaster. ad. Fig. 2. Coturniculus passerinus var. perpallidus. ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Pyranga aestiva var. co...
II. Pyranga aestiva.
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Pyranga aestiva var. cooperi (male symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Pyranga aestiva var. co...
III. Pyranga aestiva.
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Pyranga aestiva var. cooperi (female symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Fig. 1. Chrysomitris ps...
IV. Chrysomitris psaltr...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Fig. 1. Chrysomitris psaltria var. arizonae (male symbol). Fig. 2. Chrysomitris psaltria (male symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Leucosticte australis (...
V. Leucosticte australi...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Leucosticte australis (male symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Leucosticte australis (...
VI. Leucosticte austral...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Leucosticte australis (female symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Fig. 1. Zonotrichia leu...
VII. Zonotrichia leucop...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Fig. 1. Zonotrichia leucophrys var. gambeli ad. Fig. 2. Zonotrichia leucophrys var. intermedia ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Junco oregonus var. ann...
VIII. Junco oregonus.
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Junco oregonus var. annectens (male symbol) ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Junco cinereus var. dor...
IX. Junco cinereus.
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Junco cinereus var. dorsalis (male symbol) ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Junco cinereus ad. R. R...
X. Junco cinereus.
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Junco cinereus ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Poospiza belli var. nev...
XI. Poospiza belli.
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Poospiza belli var. nevadensis ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Cyanocitta ultramarina ...
XII. Cyanocitta ultrama...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Cyanocitta ultramarina var. arizonae ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Perisoreus canadensis v...
XIII. Perisoreus canade...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Perisoreus canadensis var. capitalis ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Myiodynastes luteiventr...
XIV. Myiodynastes lutei...
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Myiodynastes luteiventris (male symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
Asturina nitida var. pl...
XV. Asturina nitida.
1875
Exploration Book
Author
Ridgway, Robert
Full Title
Asturina nitida var. plagiata. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875)
Publisher
U.S.
1-15 of 15