...United States census reports; and Olmsted, The Cotton Kingdom...
W. E. B. Du Bois 「The Suppression of the African Slave Trade to the United States of America」
...This census is quoted merely for the purpose of giving a general idea of the employments of the inhabitants...
David Livingstone 「Missionary Travels and Researches in South Africa」
...The figures given by the census are as follows:1850, mulattoes formed 11...
W.E.B. Du Bois 「The Negro」
..."Isn't the census building wretched?" ...
W. E. B. Du Bois 「The Quest of the Silver Fleece」
...United States 12th Census, Bulletin No...
Booker T. Washington 「The Negro in the South」
...According to the1920 census there were 2,817,624 ducks in the UnitedStates with a valuation of $3,373,966...
Harry M. Lamon 「Ducks and Geese」
...In the tenyears between the census of 1900 and that of 1910there was a decrease in the number of ducks ofnearly 40%...
Harry M. Lamon 「Ducks and Geese」
...The census figuresof 1920 compared with those for 1910 show a decreasein the number of geese from 4,431,980 to2,939,203...
Harry M. Lamon 「Ducks and Geese」
...Page 141: "1920" changed to "1910" (The census figures of 1920 compared with those for 1910 ...
Harry M. Lamon 「Ducks and Geese」
...By the census of 1860, there were upward ofthirty-two and a half millions of these animals in the United States...
Robert Jennings 「Sheep, Swine, and Poultry」
...In Canada no general census of poultryproducts has ever been taken...
John H. Robinson 「Our Domestic Birds」
...Intoxicated as theywere, many would escape my census, and I wished to ensure its accuracy...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
... Next day, when the sun recalled the scattered workers to the nest, I took a fresh census of Bees with a white spot on the thorax...
J. Henri Fabre Alexander Teixeira de Mattos 「The Mason-bees」
... One of them provides me with seventeen cells, the highest number appearing in my census of the Megachile clan...
J. Henri Fabre 「Bramble-bees and Others」
...Each separate census, however, was basedon an inadequate sample as the number of marked individuals takenat each sampling, as recaptures from the previous sampling period,varied from one to five...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...As a result, successivesamples are not strictly comparable and a major source oferror is introduced into the census computations...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Lack of exactcorrespondence in the area represented by successive samples wouldresult in a disproportionally small number of recaptures, and anerroneously high census computation...
Henry S. Fitch 「Ecology of the Opossum on a Natural Area in Northeastern Kansas」
...Therefore a census of the adult kangaroo rat populationcan readily be made, simply by counting the mounds...
Charles T. Vorhies and Walter P. Taylor 「Life History of the Kangaroo Rat」
...I used the method of trappingemployed by Calhoun (1948) in making the Census of North American SmallMammals (N...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...It is when the snow is on the ground that we take the census ofthe woods, and when the winter came it told me that Vix no longerroamed the woods of Erindale...
Ernest Seton-Thompson 「Lobo, Rag and Vixen」
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