...
—These magnificent monsters present a perplexing problem, which I am inclined to believe can be satisfactorily solved by the Biological Survey only in short periods, say of three or four years each... 
William T. Hornaday 「Our Vanishing Wild Life」
...The Biological Survey of the U...
William T. Hornaday 「Our Vanishing Wild Life」
...As to the numbers still found the report of the Biological Survey for the years 1895 to 1906, inclusive, but not including the year 1898, shows that bounties were paid on 20,819 wolves in that state...
A. R. (Arthur Robert) Harding 「Wolf and Coyote Trapping」
...In a letter to the Biological Survey, under date of April 3, 1896, Mr...
A. R. (Arthur Robert) Harding 「Wolf and Coyote Trapping」
...The Bureau of Biological Survey, have issued a special circular on this subject and being of general interest, it is reprinted here...
A. R. (Arthur Robert) Harding 「Wolf and Coyote Trapping」
...Lantz, of the Biological Survey, would indicate the best results from a still larger dose...
A. R. (Arthur Robert) Harding 「Wolf and Coyote Trapping」
...Vernon Bailey of the Biological Survey gives the following:...
A. R. (Arthur Robert) Harding 「Wolf and Coyote Trapping」
...Results of a Biological Survey of the San Francisco Mountainregion and Desert of the Little Colorado in Arizona...
Frank M. Chapman 「Color Key to North American Birds」
...—"'The Making of Species' will do much to arrest thefossilisation of biological science in England...
Douglas Dewar 「A Bird Calendar for Northern India」
... After these biological curiosities, it remains for me to discuss the principal subject of this chapter: the botanical origin of the materials of the nest...
J. Henri Fabre 「Bramble-bees and Others」
...
For the loan of comparative mammalian material, grateful acknowledgmentis made to officials of the following institutions:California Academy of Sciences; Biological Surveys collection ofthe U...
Rollin H. Baker 「Mammals taken Along the Alaska Highway」
...Accordingly, comparisons were made withmaterials in the Biological Surveys collection of the U...
Rollin H. Baker 「Mammals taken Along the Alaska Highway」
...The specimensconcerned are in the Biological Surveys Collection of the U...
E. Raymond Hall 「Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores」
...Wehave examined the following specimens in the Biological SurveysCollection, U...
E. Raymond Hall 「Comments on the Taxonomy and Geographic Distribution of Some North American Marsupials, Insectivores and Carnivores」
...The purpose of this report is to make clear the biological relationshipsbetween the shrews of the Sorex vagrans-obscurus "speciesgroup...
James S. Findley 「Speciation of the Wandering Shrew」
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