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              Browse All : Exploration Book by U.S. and Ridgway, Robert from 1875
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    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. 
      Author 
        Ridgway, Robert 
      Full Title 
        Pyranga aestiva var. cooperi (male symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Pyranga aestiva var. cooperi (female symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      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. 
      Author 
        Ridgway, Robert 
      Full Title 
        Leucosticte australis (male symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Leucosticte australis (female symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      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. 
      Author 
        Ridgway, Robert 
      Full Title 
        Junco oregonus var. annectens (male symbol) ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Junco cinereus var. dorsalis (male symbol) ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Junco cinereus ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Poospiza belli var. nevadensis ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Cyanocitta ultramarina var. arizonae ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Perisoreus canadensis var. capitalis ad. R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      Author 
        Ridgway, Robert 
      Full Title 
        Myiodynastes luteiventris (male symbol). R. Ridgway del. T. Sinclair & Son lith., Phila. (1875) 
      Publisher 
        U.S. 
      
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