 ... rank. On the other hand, where the difference between allied forms is slight, but at the same time absolutely constant, and not coincident with a difference of habitat (eg, certain of the small Thrushes and the various forms of Junco), specific rank...  Bulletin of the Nuttall Ornithological Club - Page 169by Nuttall Ornithological Club - 1881Full view - About this book
 | Smithsonian Institution - 1882 - 1366 lehte
...of the small Thrushes and the various forms of Jwnco), specific rank is upheld. There are someforms which future investigation, based upon adequate material,...same time would say that we have endeavored to be as conscientious and consistent as possible, giving the rank of each form as it appears in the light of... | |
 | United States National Museum - 1881 - 612 lehte
...same time absolutely constant, and not coincident with a difference of habitat (eg, certain of the small Thrushes and the various forms of Junco), specific...same time would say that we have endeavored to be as contentious and consistent as possible, giving the rank of each form as it appears in the light of... | |
 | Smithsonian Institution - 1882 - 1336 lehte
...same time absolutely constant, and not coincident with a difference of habitat (eg, certain of the small Thrushes and the various forms of Junco), specific...same time would say that we have endeavored to be as conscientious and consistent as possible, giving the rank of each form an it appears in the light of... | |
 | George Brown Goode - 1883 - 792 lehte
...apparently constant, and not necessarily coincident with a difference of habitat (eg, certain of the small Thrushes and the various forms of Junco), specific...them here. We cheerfully acknowledge our fallibility, bat at the same time would say that we have endeavored to be as consisteut as possible, giving the... | |
 | United States National Museum - 1881 - 608 lehte
...same time absolutely constant, and not coincident with a difference of habitat (eg, certain of the small Thrushes and the various forms of Junco), specific...our fallibility, but at the same time would say that \ve have endeavored to be as conscientious and consistent as possible, giving the rank of each form... | |
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