The Naturalists Guide in Collecting And Preserving Objects of Natural History
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ORNITHOLOGISTS of the present day are much indebted to the earnest and enthusiastic men who studied the habits of our birds in years past ; but truthful and careful though they may have been, being but mtn, they were fallible. As this is an age of advancement, it behooves us of the present day, while we are in a measure guided by these teachings, not to be biased by the'. R conclusions, that we may detect the errors which they unconsciously committed.
If, while endeavoring to correct some deepl...y seated error of the past, we disagree with our brother ornithologists, let us, with the spirit of the true naturalist, who would advance the study of Natural History, bring infallible proofs of its being an error, thereby convincing without offending.
If in the following pages I unwittingly make mistakes, I am ready to be convinced by sufficient proof.
In separating birds into species, too much dependence has been placed upon exceedingly variable characters as valid specific distinctions. For instance, the bill, although in the main retaining its shape, is sometimes subject to wide differences ; this is well illustrated in the Terns, where they are extremely changeable in the length and curve of the culmen ; they also vary in coloration ; yet in determining species, these points are now, and always have been, considered of value.
What to read after The Naturalists Guide in Collecting And Preserving Objects of Natural History?
You can find similar books in the "Read Also" column, or choose other free books by C J Charles Johnson Maynard to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
ORNITHOLOGISTS of the present day are much indebted to the earnest and enthusiastic men who studied the habits of our birds in years past ; but truthful and careful though they may have been, being but mtn, they were fallible. As this is an age of advancement, it behooves us of the present day, while we are in a measure guided by these teachings, not to be biased by the'. R conclusions, that we may detect the errors which they unconsciously committed.
If, while endeavoring to correct some deepl...y seated error of the past, we disagree with our brother ornithologists, let us, with the spirit of the true naturalist, who would advance the study of Natural History, bring infallible proofs of its being an error, thereby convincing without offending.
If in the following pages I unwittingly make mistakes, I am ready to be convinced by sufficient proof.
In separating birds into species, too much dependence has been placed upon exceedingly variable characters as valid specific distinctions. For instance, the bill, although in the main retaining its shape, is sometimes subject to wide differences ; this is well illustrated in the Terns, where they are extremely changeable in the length and curve of the culmen ; they also vary in coloration ; yet in determining species, these points are now, and always have been, considered of value.
What to read after The Naturalists Guide in Collecting And Preserving Objects of Natural History?
You can find similar books in the "Read Also" column, or choose other free books by C J Charles Johnson Maynard to read onlineMoreLess
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